Frequencies for first 10,000 rows of npi1 variable in pspp2011_60 dataset : National | Provider | Identifier | (NPI) #1 | Freq. Percent Cum. ------------+----------------------------------- 1000000004 | 2 0.02 0.02 1003000126 | 210 2.10 2.12 1003000134 | 346 3.46 5.58 1003000142 | 57 0.57 6.15 1003000381 | 4 0.04 6.19 1003000407 | 79 0.79 6.98 1003000423 | 1 0.01 6.99 1003000449 | 3 0.03 7.02 1003000480 | 16 0.16 7.18 1003000514 | 13 0.13 7.31 1003000522 | 123 1.23 8.54 1003000530 | 57 0.57 9.11 1003000621 | 8 0.08 9.19 1003000639 | 1 0.01 9.20 1003000647 | 1 0.01 9.21 1003000704 | 3 0.03 9.24 1003000712 | 22 0.22 9.46 1003000720 | 1 0.01 9.47 1003000738 | 4 0.04 9.51 1003000902 | 24 0.24 9.75 1003000936 | 73 0.73 10.48 1003001017 | 29 0.29 10.77 1003001041 | 13 0.13 10.90 1003001108 | 6 0.06 10.96 1003001249 | 10 0.10 11.06 1003001256 | 4 0.04 11.10 1003001322 | 23 0.23 11.33 1003001363 | 163 1.63 12.96 1003001371 | 21 0.21 13.17 1003001405 | 3 0.03 13.20 1003001587 | 15 0.15 13.35 1003001645 | 87 0.87 14.22 1003001785 | 13 0.13 14.35 1003001884 | 24 0.24 14.59 1003001975 | 8 0.08 14.67 1003002049 | 12 0.12 14.79 1003002221 | 4 0.04 14.83 1003002254 | 5 0.05 14.88 1003002312 | 100 1.00 15.88 1003002379 | 124 1.24 17.12 1003002494 | 22 0.22 17.34 1003002502 | 6 0.06 17.40 1003002627 | 15 0.15 17.55 1003002742 | 33 0.33 17.88 1003002783 | 607 6.07 23.95 1003002809 | 217 2.17 26.12 1003002817 | 111 1.11 27.23 1003002890 | 7 0.07 27.30 1003002973 | 2 0.02 27.32 1003003021 | 6 0.06 27.38 1003003088 | 6 0.06 27.44 1003003161 | 2 0.02 27.46 1003003252 | 19 0.19 27.65 1003003609 | 192 1.92 29.57 1003003765 | 105 1.05 30.62 1003003856 | 17 0.17 30.79 1003003872 | 1 0.01 30.80 1003003955 | 6 0.06 30.86 1003003963 | 119 1.19 32.05 1003004128 | 44 0.44 32.49 1003004318 | 24 0.24 32.73 1003004326 | 13 0.13 32.86 1003004482 | 50 0.50 33.36 1003004771 | 202 2.02 35.38 1003004912 | 3 0.03 35.41 1003004938 | 8 0.08 35.49 1003005034 | 43 0.43 35.92 1003005059 | 28 0.28 36.20 1003005109 | 46 0.46 36.66 1003005174 | 22 0.22 36.88 1003005208 | 19 0.19 37.07 1003005315 | 1 0.01 37.08 1003005661 | 3 0.03 37.11 1003005679 | 5 0.05 37.16 1003005729 | 1 0.01 37.17 1003005810 | 5 0.05 37.22 1003005836 | 27 0.27 37.49 1003005968 | 14 0.14 37.63 1003006073 | 1 0.01 37.64 1003006107 | 185 1.85 39.49 1003006115 | 23 0.23 39.72 1003006172 | 30 0.30 40.02 1003006180 | 1,785 17.85 57.87 1003006198 | 6 0.06 57.93 1003006271 | 2 0.02 57.95 1003006339 | 3 0.03 57.98 1003006503 | 40 0.40 58.38 1003006552 | 81 0.81 59.19 1003006586 | 158 1.58 60.77 1003006602 | 8 0.08 60.85 1003006610 | 5 0.05 60.90 1003006636 | 1,030 10.30 71.20 1003006651 | 2 0.02 71.22 1003006701 | 16 0.16 71.38 1003006727 | 5 0.05 71.43 1003006800 | 10 0.10 71.53 1003006958 | 72 0.72 72.25 1003007022 | 204 2.04 74.29 1003007048 | 49 0.49 74.78 1003007063 | 10 0.10 74.88 1003007170 | 517 5.17 80.05 1003007204 | 70 0.70 80.75 1003007246 | 36 0.36 81.11 1003007279 | 11 0.11 81.22 1003007287 | 72 0.72 81.94 1003007295 | 164 1.64 83.58 1003007329 | 61 0.61 84.19 1003007345 | 6 0.06 84.25 1003007360 | 48 0.48 84.73 1003007386 | 1 0.01 84.74 1003007469 | 13 0.13 84.87 1003007477 | 9 0.09 84.96 1003007576 | 43 0.43 85.39 1003007592 | 9 0.09 85.48 1003007683 | 120 1.20 86.68 1003007741 | 5 0.05 86.73 1003007782 | 1 0.01 86.74 1003007816 | 5 0.05 86.79 1003007824 | 2 0.02 86.81 1003007964 | 1 0.01 86.82 1003007980 | 132 1.32 88.14 1003008095 | 82 0.82 88.96 1003008111 | 1 0.01 88.97 1003008244 | 5 0.05 89.02 1003008269 | 69 0.69 89.71 1003008327 | 14 0.14 89.85 1003008517 | 123 1.23 91.08 1003008574 | 46 0.46 91.54 1003008590 | 127 1.27 92.81 1003008673 | 18 0.18 92.99 1003008699 | 14 0.14 93.13 1003008715 | 7 0.07 93.20 1003008855 | 3 0.03 93.23 1003008913 | 10 0.10 93.33 1003008921 | 10 0.10 93.43 1003009036 | 9 0.09 93.52 1003009119 | 7 0.07 93.59 1003009135 | 2 0.02 93.61 1003009176 | 6 0.06 93.67 1003009218 | 94 0.94 94.61 1003009283 | 113 1.13 95.74 1003009309 | 7 0.07 95.81 1003009424 | 6 0.06 95.87 1003009630 | 284 2.84 98.71 1003009705 | 23 0.23 98.94 1003009804 | 106 1.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 12 Feb 2018