Frequencies for first 10,000 rows of tax_period variable in eobmfny dataset : Tax Period | Freq. Percent Cum. ------------+----------------------------------- 198205 | 1 0.01 0.01 199512 | 3 0.03 0.04 199612 | 1 0.01 0.05 199712 | 4 0.04 0.09 199812 | 2 0.02 0.11 199912 | 3 0.03 0.14 200009 | 1 0.01 0.15 200012 | 1 0.01 0.16 200112 | 3 0.03 0.19 200212 | 2 0.02 0.21 200312 | 3 0.03 0.24 200405 | 1 0.01 0.25 200412 | 3 0.03 0.28 200506 | 1 0.01 0.29 200512 | 2 0.02 0.31 200612 | 3 0.03 0.34 200706 | 1 0.01 0.35 200712 | 1 0.01 0.36 200812 | 2 0.02 0.38 200906 | 1 0.01 0.39 200912 | 1 0.01 0.40 201003 | 1 0.01 0.41 201012 | 8 0.08 0.49 201112 | 5 0.05 0.54 201206 | 1 0.01 0.55 201208 | 1 0.01 0.56 201212 | 10 0.10 0.66 201304 | 1 0.01 0.67 201305 | 1 0.01 0.68 201306 | 3 0.03 0.71 201311 | 2 0.02 0.73 201312 | 22 0.22 0.95 201403 | 1 0.01 0.96 201406 | 3 0.03 0.99 201407 | 1 0.01 1.00 201410 | 1 0.01 1.01 201412 | 22 0.22 1.23 201502 | 1 0.01 1.24 201504 | 1 0.01 1.25 201505 | 1 0.01 1.26 201506 | 3 0.03 1.29 201507 | 1 0.01 1.30 201509 | 2 0.02 1.32 201510 | 1 0.01 1.33 201511 | 1 0.01 1.34 201512 | 66 0.66 2.00 201601 | 1 0.01 2.01 201602 | 3 0.03 2.04 201603 | 1 0.01 2.05 201605 | 4 0.04 2.09 201606 | 27 0.27 2.36 201607 | 2 0.02 2.38 201608 | 8 0.08 2.46 201609 | 14 0.14 2.60 201610 | 3 0.03 2.63 201611 | 4 0.04 2.67 201612 | 135 1.35 4.02 201701 | 1 0.01 4.03 201702 | 4 0.04 4.07 201703 | 7 0.07 4.14 201704 | 13 0.13 4.27 201705 | 35 0.35 4.62 201706 | 543 5.43 10.05 201707 | 34 0.34 10.39 201708 | 114 1.14 11.53 201709 | 118 1.18 12.71 201710 | 49 0.49 13.20 201711 | 76 0.76 13.96 201712 | 2,958 29.58 43.54 201801 | 26 0.26 43.80 201802 | 53 0.53 44.33 201803 | 127 1.27 45.60 201804 | 81 0.81 46.41 201805 | 84 0.84 47.25 201806 | 924 9.24 56.49 201807 | 65 0.65 57.14 201808 | 130 1.30 58.44 201809 | 197 1.97 60.41 201810 | 33 0.33 60.74 201811 | 19 0.19 60.93 201812 | 427 4.27 65.20 201901 | 2 0.02 65.22 201902 | 9 0.09 65.31 . | 3,469 34.69 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Apr 2019