Frequencies for first 10,000 rows of npi1 variable in pspp2011_90 dataset : National | Provider | Identifier | (NPI) #1 | Freq. Percent Cum. ------------+----------------------------------- 1000000004 | 3 0.03 0.03 1003000126 | 231 2.31 2.34 1003000134 | 465 4.65 6.99 1003000142 | 76 0.76 7.75 1003000381 | 5 0.05 7.80 1003000407 | 90 0.90 8.70 1003000423 | 2 0.02 8.72 1003000449 | 4 0.04 8.76 1003000480 | 21 0.21 8.97 1003000514 | 15 0.15 9.12 1003000522 | 143 1.43 10.55 1003000530 | 80 0.80 11.35 1003000621 | 10 0.10 11.45 1003000639 | 1 0.01 11.46 1003000647 | 2 0.02 11.48 1003000704 | 4 0.04 11.52 1003000712 | 34 0.34 11.86 1003000720 | 1 0.01 11.87 1003000738 | 4 0.04 11.91 1003000902 | 35 0.35 12.26 1003000936 | 90 0.90 13.16 1003001017 | 40 0.40 13.56 1003001041 | 20 0.20 13.76 1003001108 | 7 0.07 13.83 1003001249 | 12 0.12 13.95 1003001256 | 9 0.09 14.04 1003001322 | 29 0.29 14.33 1003001363 | 187 1.87 16.20 1003001371 | 25 0.25 16.45 1003001405 | 3 0.03 16.48 1003001587 | 16 0.16 16.64 1003001645 | 120 1.20 17.84 1003001785 | 17 0.17 18.01 1003001884 | 28 0.28 18.29 1003001975 | 10 0.10 18.39 1003002049 | 16 0.16 18.55 1003002221 | 4 0.04 18.59 1003002254 | 6 0.06 18.65 1003002312 | 119 1.19 19.84 1003002379 | 131 1.31 21.15 1003002494 | 27 0.27 21.42 1003002502 | 10 0.10 21.52 1003002627 | 21 0.21 21.73 1003002742 | 45 0.45 22.18 1003002783 | 705 7.05 29.23 1003002809 | 294 2.94 32.17 1003002817 | 130 1.30 33.47 1003002890 | 11 0.11 33.58 1003002973 | 2 0.02 33.60 1003003021 | 12 0.12 33.72 1003003088 | 6 0.06 33.78 1003003161 | 2 0.02 33.80 1003003252 | 23 0.23 34.03 1003003609 | 232 2.32 36.35 1003003765 | 119 1.19 37.54 1003003856 | 22 0.22 37.76 1003003872 | 1 0.01 37.77 1003003955 | 8 0.08 37.85 1003003963 | 149 1.49 39.34 1003004128 | 54 0.54 39.88 1003004318 | 34 0.34 40.22 1003004326 | 18 0.18 40.40 1003004482 | 71 0.71 41.11 1003004771 | 231 2.31 43.42 1003004912 | 4 0.04 43.46 1003004938 | 14 0.14 43.60 1003005034 | 59 0.59 44.19 1003005059 | 40 0.40 44.59 1003005109 | 66 0.66 45.25 1003005174 | 31 0.31 45.56 1003005208 | 30 0.30 45.86 1003005315 | 1 0.01 45.87 1003005661 | 6 0.06 45.93 1003005679 | 6 0.06 45.99 1003005729 | 1 0.01 46.00 1003005810 | 5 0.05 46.05 1003005836 | 32 0.32 46.37 1003005968 | 15 0.15 46.52 1003006073 | 1 0.01 46.53 1003006107 | 201 2.01 48.54 1003006115 | 29 0.29 48.83 1003006172 | 37 0.37 49.20 1003006180 | 1,978 19.78 68.98 1003006198 | 6 0.06 69.04 1003006271 | 2 0.02 69.06 1003006339 | 3 0.03 69.09 1003006503 | 49 0.49 69.58 1003006552 | 88 0.88 70.46 1003006586 | 183 1.83 72.29 1003006602 | 9 0.09 72.38 1003006610 | 6 0.06 72.44 1003006636 | 1,203 12.03 84.47 1003006651 | 2 0.02 84.49 1003006701 | 20 0.20 84.69 1003006727 | 8 0.08 84.77 1003006800 | 16 0.16 84.93 1003006958 | 93 0.93 85.86 1003007022 | 235 2.35 88.21 1003007048 | 62 0.62 88.83 1003007063 | 13 0.13 88.96 1003007170 | 615 6.15 95.11 1003007204 | 86 0.86 95.97 1003007246 | 43 0.43 96.40 1003007279 | 16 0.16 96.56 1003007287 | 88 0.88 97.44 1003007295 | 200 2.00 99.44 1003007329 | 56 0.56 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 12 Feb 2018