Frequencies for first 10,000 rows of npi1 variable in pspp2009_180 dataset : National | Provider | Identifier | (NPI) #1 | Freq. Percent Cum. ------------+----------------------------------- 0135632034 | 8 0.08 0.08 1000000004 | 7 0.07 0.15 1000042923 | 15 0.15 0.30 1000198337 | 25 0.25 0.55 1003000126 | 131 1.31 1.86 1003000134 | 779 7.79 9.65 1003000381 | 3 0.03 9.68 1003000480 | 28 0.28 9.96 1003000514 | 23 0.23 10.19 1003000522 | 176 1.76 11.95 1003000530 | 49 0.49 12.44 1003000621 | 3 0.03 12.47 1003000647 | 11 0.11 12.58 1003000712 | 33 0.33 12.91 1003000720 | 19 0.19 13.10 1003000738 | 12 0.12 13.22 1003000902 | 5 0.05 13.27 1003000936 | 143 1.43 14.70 1003001017 | 47 0.47 15.17 1003001041 | 27 0.27 15.44 1003001108 | 15 0.15 15.59 1003001249 | 10 0.10 15.69 1003001256 | 40 0.40 16.09 1003001322 | 113 1.13 17.22 1003001363 | 214 2.14 19.36 1003001371 | 56 0.56 19.92 1003001405 | 22 0.22 20.14 1003001587 | 3 0.03 20.17 1003001645 | 139 1.39 21.56 1003001785 | 8 0.08 21.64 1003001884 | 27 0.27 21.91 1003001918 | 4 0.04 21.95 1003002049 | 15 0.15 22.10 1003002221 | 1 0.01 22.11 1003002254 | 6 0.06 22.17 1003002312 | 157 1.57 23.74 1003002379 | 315 3.15 26.89 1003002510 | 5 0.05 26.94 1003002627 | 6 0.06 27.00 1003002643 | 37 0.37 27.37 1003002742 | 88 0.88 28.25 1003002783 | 1,015 10.15 38.40 1003002809 | 170 1.70 40.10 1003002817 | 80 0.80 40.90 1003002858 | 1 0.01 40.91 1003002866 | 1 0.01 40.92 1003003021 | 10 0.10 41.02 1003003070 | 309 3.09 44.11 1003003088 | 11 0.11 44.22 1003003161 | 3 0.03 44.25 1003003252 | 9 0.09 44.34 1003003625 | 3 0.03 44.37 1003003765 | 186 1.86 46.23 1003003856 | 41 0.41 46.64 1003003955 | 2 0.02 46.66 1003003963 | 281 2.81 49.47 1003004128 | 1 0.01 49.48 1003004318 | 39 0.39 49.87 1003004326 | 40 0.40 50.27 1003004482 | 162 1.62 51.89 1003004631 | 1 0.01 51.90 1003004771 | 175 1.75 53.65 1003004839 | 1 0.01 53.66 1003005034 | 152 1.52 55.18 1003005059 | 156 1.56 56.74 1003005174 | 58 0.58 57.32 1003005208 | 12 0.12 57.44 1003005323 | 4 0.04 57.48 1003005661 | 9 0.09 57.57 1003005679 | 10 0.10 57.67 1003005729 | 1 0.01 57.68 1003005885 | 15 0.15 57.83 1003005968 | 18 0.18 58.01 1003006073 | 3 0.03 58.04 1003006107 | 95 0.95 58.99 1003006115 | 76 0.76 59.75 1003006149 | 44 0.44 60.19 1003006180 | 2,215 22.15 82.34 1003006198 | 116 1.16 83.50 1003006271 | 1 0.01 83.51 1003006339 | 3 0.03 83.54 1003006347 | 200 2.00 85.54 1003006396 | 50 0.50 86.04 1003006552 | 46 0.46 86.50 1003006586 | 126 1.26 87.76 1003006602 | 11 0.11 87.87 1003006610 | 3 0.03 87.90 1003006636 | 1 0.01 87.91 1003006727 | 37 0.37 88.28 1003006776 | 45 0.45 88.73 1003006800 | 4 0.04 88.77 1003006958 | 73 0.73 89.50 1003007022 | 422 4.22 93.72 1003007048 | 97 0.97 94.69 1003007063 | 15 0.15 94.84 1003007170 | 516 5.16 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 12 Feb 2018