Frequencies for issuer_name variable in transcov2018 dataset : Issuer Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- | 1 0.28 0.28 Alliant Health Plans | 1 0.28 0.56 Alpha Dental Programs | 1 0.28 0.84 Alpha Dental of Nevada, Inc. | 1 0.28 1.12 Alpha Dental of Utah, Inc. | 1 0.28 1.40 Ambetter of Magnolia Inc. | 1 0.28 1.68 Ambetter of Peach State Inc. | 1 0.28 1.96 AmeriHealth HMO | 1 0.28 2.23 AmeriHealth Ins Company of New Jersey | 1 0.28 2.51 Anthem Health Plans of KY(Anthem BCBS) | 1 0.28 2.79 Anthem Health Plans of ME(Anthem BCBS) | 1 0.28 3.07 Anthem Health Plans of NH(Anthem BCBS) | 1 0.28 3.35 Anthem Health Plans of Virginia, Inc. | 1 0.28 3.63 Anthem Ins Companies Inc(Anthem BCBS) | 1 0.28 3.91 Arizona Dental Insurance Service | 1 0.28 4.19 Aspirus Arise Health Plan of Wisconsin | 1 0.28 4.47 AultCare Insurance Company | 1 0.28 4.75 Avera Health Plans, Inc. | 1 0.28 5.03 BCBS of Wisconsin(Anthem BCBS) | 1 0.28 5.31 BEST Life and Health Insurance Company | 31 8.66 13.97 Blue Care Network of Michigan | 1 0.28 14.25 Blue Cross Blue Shield Healthcare Pla.. | 1 0.28 14.53 Blue Cross Blue Shield of Illinois | 1 0.28 14.80 Blue Cross Blue Shield of Michigan Mu.. | 1 0.28 15.08 Blue Cross Blue Shield of New Mexico | 1 0.28 15.36 Blue Cross Blue Shield of North Dakota | 1 0.28 15.64 Blue Cross Blue Shield of Oklahoma | 1 0.28 15.92 Blue Cross Blue Shield of Texas | 1 0.28 16.20 Blue Cross Blue Shield of Wyoming | 1 0.28 16.48 Blue Cross and Blue Shield of Alabama | 1 0.28 16.76 Blue Cross and Blue Shield of Arizona | 1 0.28 17.04 Blue Cross and Blue Shield of Florida | 1 0.28 17.32 Blue Cross and Blue Shield of Georgia | 1 0.28 17.60 Blue Cross and Blue Shield of Kansas,.. | 1 0.28 17.88 Blue Cross and Blue Shield of Montana | 1 0.28 18.16 Blue Cross and Blue Shield of NC | 1 0.28 18.44 Blue Cross and Blue Shield of South C.. | 1 0.28 18.72 BlueCross BlueShield of Tennessee | 1 0.28 18.99 BridgeSpan Health Company | 1 0.28 19.27 Bright Health Insurance Company | 1 0.28 19.55 Buckeye Community Health Plan | 1 0.28 19.83 CHRISTUS Health Plan | 2 0.56 20.39 Capital Advantage Assurance Company | 1 0.28 20.67 CareFirst BlueChoice, Inc. | 1 0.28 20.95 CareSource | 1 0.28 21.23 CareSource Indiana | 1 0.28 21.51 CareSource Kentucky Co. | 1 0.28 21.79 CareSource West Virginia Co. | 1 0.28 22.07 Celtic Insurance Company | 7 1.96 24.02 Children's Community Health Plan | 1 0.28 24.30 Cigna Health and Life Insurance Company | 5 1.40 25.70 Cigna HealthCare of Illinois, Inc. | 1 0.28 25.98 Cigna HealthCare of North Carolina | 1 0.28 26.26 Common Ground Healthcare Cooperative | 1 0.28 26.54 Community Health Choice | 1 0.28 26.82 Community Insurance Company(Anthem BC.. | 1 0.28 27.09 CommunityCare HMO Inc. | 1 0.28 27.37 CommunityCare Life & Health Insurance.. | 1 0.28 27.65 DENCAP Dental Plans, Inc. | 1 0.28 27.93 DSM USA Insurance Company | 3 0.84 28.77 DSM USA Insurance Company Inc | 3 0.84 29.61 DSM USA Insurance Company, Inc. | 1 0.28 29.89 Dean Health Plan | 1 0.28 30.17 Delta Dental Insurance Company | 9 2.51 32.68 Delta Dental Plan of Arkansas, Inc. | 1 0.28 32.96 Delta Dental Plan of Indiana | 1 0.28 33.24 Delta Dental Plan of Michigan, Inc. | 1 0.28 33.52 Delta Dental Plan of New Hampshire | 1 0.28 33.80 Delta Dental Plan of Ohio, Inc. | 1 0.28 34.08 Delta Dental Plan of Oklahoma | 1 0.28 34.36 Delta Dental of Delaware, Inc. | 1 0.28 34.64 Delta Dental of Illinois | 1 0.28 34.92 Delta Dental of Iowa | 1 0.28 35.20 Delta Dental of Kentucky | 1 0.28 35.47 Delta Dental of Minnesota | 1 0.28 35.75 Delta Dental of Nebraska | 1 0.28 36.03 Delta Dental of New Jersey | 1 0.28 36.31 Delta Dental of Tennessee | 1 0.28 36.59 Delta Dental of Virginia | 1 0.28 36.87 Delta Dental of West Virginia | 1 0.28 37.15 Delta Dental of Wisconsin | 1 0.28 37.43 DentaQuest USA Insurance Company | 2 0.56 37.99 DentaQuest of Florida | 1 0.28 38.27 Dental Care Plus | 6 1.68 39.94 Dental Care Plus, Inc. | 5 1.40 41.34 Dental Health Services, Inc. | 1 0.28 41.62 Dentegra Insurance Company | 23 6.42 48.04 Dominion Dental Services, Inc. | 4 1.12 49.16 Dominion National Insurance Company o.. | 2 0.56 49.72 Educators Health Plans Life | 3 0.84 50.56 Educators Health Plans Life, Accident.. | 2 0.56 51.12 Educators Health Plans Life, Accident.. | 2 0.56 51.68 First Commonwealth Insurance Company | 1 0.28 51.96 First Priority Health | 1 0.28 52.23 Florida Combined Life Insurance Company | 1 0.28 52.51 Florida Health Care Plan | 1 0.28 52.79 Geisinger Health Plan | 1 0.28 53.07 Group Health Cooperative of South Cen.. | 1 0.28 53.35 Group Hospitalization and Medical Ser.. | 1 0.28 53.63 Guardian Life Insurance Company of Am.. | 6 1.68 55.31 HMO Louisiana | 1 0.28 55.59 Harvard Pilgrim Health Care Inc. | 1 0.28 55.87 Harvard Pilgrim Health Care of NE | 1 0.28 56.15 Hawaii Dental Service Corporation | 1 0.28 56.42 Hawaii Medical Service Association | 1 0.28 56.70 Health Alliance Medical Plans | 1 0.28 56.98 Health First Commercial Plans | 1 0.28 57.26 Health Net of Arizona | 1 0.28 57.54 Health Options | 1 0.28 57.82 Health Plan of Nevada, Inc. | 1 0.28 58.10 HealthKeepers, Inc. | 1 0.28 58.38 HealthPartners Insurance Company | 1 0.28 58.66 Healthplex Dental Services Inc. | 1 0.28 58.94 Healthy Alliance Life Co(Anthem BCBS) | 1 0.28 59.22 Highmark BCBSD Inc. | 1 0.28 59.50 Highmark Blue Cross Blue Shield West .. | 1 0.28 59.78 Highmark Choice Company | 1 0.28 60.06 Highmark Health Insurance Company | 1 0.28 60.34 Highmark Inc. | 1 0.28 60.61 Horizon Healthcare Services | 1 0.28 60.89 Humana Health Benefit Plan of Louisiana | 1 0.28 61.17 Humana Insurance Company | 14 3.91 65.08 Independence Blue Cross (QCC Ins. Co.) | 1 0.28 65.36 International Healthcare Services | 1 0.28 65.64 Kaiser Foundation Health Plan of Geor.. | 1 0.28 65.92 Kaiser Foundation Health Plan of the .. | 1 0.28 66.20 Kaiser Foundation Health Plan, Inc. | 1 0.28 66.48 Kaiser Foundation Healthplan of the NW | 1 0.28 66.76 Keystone Health Plan East | 1 0.28 67.04 LIBERTY Dental Plan of Florida | 1 0.28 67.32 LIBERTY Dental Plan of Missouri | 1 0.28 67.60 LIBERTY Dental Plan of Nevada, Inc. | 1 0.28 67.88 Louisiana Health Service & Indemnity .. | 1 0.28 68.16 Maine Community Health Options | 1 0.28 68.44 Maine Dental Service Corporation | 1 0.28 68.72 Managed DentalGuard | 2 0.56 69.27 Matthew Thornton Hlth Plan(Anthem BCBS) | 1 0.28 69.55 McLaren Health Plan Community | 1 0.28 69.83 Medica Health Plans of Wisconsin | 1 0.28 70.11 Medica Insurance Company | 3 0.84 70.95 Medical Health Insuring Corp. of Ohio | 1 0.28 71.23 MercyCare HMO | 1 0.28 71.51 Meridian Health Plan of Michigan | 1 0.28 71.79 Moda Health Plan | 1 0.28 72.07 Moda Health Plan, Inc. | 1 0.28 72.35 Molina Healthcare of Florida | 1 0.28 72.63 Molina Healthcare of Michigan, Inc. | 1 0.28 72.91 Molina Healthcare of New Mexico, Inc. | 1 0.28 73.18 Molina Healthcare of Ohio, Inc. | 1 0.28 73.46 Molina Healthcare of Texas | 1 0.28 73.74 Montana Health Cooperative | 1 0.28 74.02 Network Health Plan | 1 0.28 74.30 New Mexico Health Connections | 1 0.28 74.58 Optima Health Plan | 1 0.28 74.86 Oregon Dental Service | 1 0.28 75.14 Oregon Dental Service, DBA Delta Dent.. | 1 0.28 75.42 Oscar Garden State Insurance Corporat.. | 1 0.28 75.70 Oscar Insurance Company of Texas | 2 0.56 76.26 Oscar Insurance Corporation of Ohio | 1 0.28 76.54 PacificSource Health Plans | 2 0.56 77.09 Paramount Insurance Company | 1 0.28 77.37 Physicians Health Plan | 1 0.28 77.65 Piedmont Community HealthCare HMO, Inc. | 1 0.28 77.93 Premera Blue Cross Blue Shield of Ala.. | 1 0.28 78.21 Premier Access Insurance Company | 3 0.84 79.05 Priority Health | 1 0.28 79.33 Providence Health Plan | 1 0.28 79.61 QCA Health Plan, Inc. | 1 0.28 79.89 QualChoice Life & Health Insurance Co.. | 1 0.28 80.17 Renaissance Life & Health Insurance C.. | 18 5.03 85.20 Rocky Mountain Hospital and Medical S.. | 1 0.28 85.47 SHA LLC FirstCare Health Plans | 1 0.28 85.75 Sanford Health Plan | 3 0.84 86.59 Security Health Plan of Wisconsin | 1 0.28 86.87 SelectHealth | 1 0.28 87.15 Sendero Health Plans | 1 0.28 87.43 SilverSummit Healthplan, Inc. | 1 0.28 87.71 Solstice Benefits | 1 0.28 87.99 Summa Insurance Company, Inc. | 1 0.28 88.27 Sunflower State Health Plan, Inc | 1 0.28 88.55 The Dental Concern Inc | 1 0.28 88.83 The Guardian Life Insurance Company | 8 2.23 91.06 The Guardian Life Insurance Company o.. | 1 0.28 91.34 The Pennsylvania Dental Corporation d.. | 1 0.28 91.62 Total Health Care USA, Inc. | 1 0.28 91.90 TruAssure Insurance Company | 21 5.87 97.77 UPMC Health Benefits, Inc. | 1 0.28 98.04 UPMC Health Coverage, Inc. | 1 0.28 98.32 UPMC Health Options, Inc. | 1 0.28 98.60 USAble Mutual Insurance Company | 1 0.28 98.88 Unity Health Plans Insurance Corporat.. | 1 0.28 99.16 University of Utah Health Insurance P.. | 1 0.28 99.44 Vantage Health Plan | 1 0.28 99.72 Willamette Dental Insurance, Inc. | 1 0.28 100.00 ----------------------------------------+----------------------------------- Total | 358 100.00 by Jean Roth , jroth@nber.org , 8 Dec 2017