Frequencies for first 10,000 rows of npi1 variable in pspp2012_90 dataset : National | Provider | Identifier | (NPI) #1 | Freq. Percent Cum. ------------+----------------------------------- 1000000004 | 7 0.07 0.07 1003000126 | 218 2.18 2.25 1003000134 | 456 4.56 6.81 1003000142 | 13 0.13 6.94 1003000407 | 121 1.21 8.15 1003000423 | 6 0.06 8.21 1003000480 | 22 0.22 8.43 1003000514 | 15 0.15 8.58 1003000522 | 150 1.50 10.08 1003000530 | 63 0.63 10.71 1003000605 | 2 0.02 10.73 1003000621 | 17 0.17 10.90 1003000639 | 9 0.09 10.99 1003000704 | 19 0.19 11.18 1003000712 | 76 0.76 11.94 1003000720 | 2 0.02 11.96 1003000738 | 3 0.03 11.99 1003000902 | 108 1.08 13.07 1003000936 | 100 1.00 14.07 1003001017 | 45 0.45 14.52 1003001041 | 27 0.27 14.79 1003001108 | 15 0.15 14.94 1003001249 | 9 0.09 15.03 1003001256 | 8 0.08 15.11 1003001322 | 28 0.28 15.39 1003001363 | 236 2.36 17.75 1003001371 | 25 0.25 18.00 1003001405 | 1 0.01 18.01 1003001462 | 14 0.14 18.15 1003001587 | 28 0.28 18.43 1003001645 | 118 1.18 19.61 1003001785 | 38 0.38 19.99 1003001884 | 22 0.22 20.21 1003001967 | 1 0.01 20.22 1003001975 | 6 0.06 20.28 1003002049 | 20 0.20 20.48 1003002072 | 1 0.01 20.49 1003002221 | 1 0.01 20.50 1003002254 | 4 0.04 20.54 1003002312 | 121 1.21 21.75 1003002486 | 1 0.01 21.76 1003002494 | 18 0.18 21.94 1003002502 | 10 0.10 22.04 1003002627 | 31 0.31 22.35 1003002643 | 3 0.03 22.38 1003002742 | 44 0.44 22.82 1003002783 | 734 7.34 30.16 1003002809 | 379 3.79 33.95 1003002817 | 158 1.58 35.53 1003002841 | 54 0.54 36.07 1003002858 | 1 0.01 36.08 1003002890 | 44 0.44 36.52 1003002932 | 138 1.38 37.90 1003003021 | 14 0.14 38.04 1003003088 | 5 0.05 38.09 1003003161 | 2 0.02 38.11 1003003609 | 340 3.40 41.51 1003003765 | 96 0.96 42.47 1003003856 | 36 0.36 42.83 1003003955 | 8 0.08 42.91 1003003963 | 134 1.34 44.25 1003004201 | 1 0.01 44.26 1003004318 | 26 0.26 44.52 1003004326 | 9 0.09 44.61 1003004391 | 6 0.06 44.67 1003004482 | 78 0.78 45.45 1003004771 | 195 1.95 47.40 1003004847 | 11 0.11 47.51 1003004938 | 8 0.08 47.59 1003005034 | 22 0.22 47.81 1003005109 | 177 1.77 49.58 1003005174 | 32 0.32 49.90 1003005208 | 32 0.32 50.22 1003005257 | 150 1.50 51.72 1003005315 | 49 0.49 52.21 1003005661 | 24 0.24 52.45 1003005679 | 6 0.06 52.51 1003005729 | 57 0.57 53.08 1003005810 | 2 0.02 53.10 1003005836 | 78 0.78 53.88 1003005968 | 11 0.11 53.99 1003006107 | 172 1.72 55.71 1003006115 | 69 0.69 56.40 1003006149 | 9 0.09 56.49 1003006172 | 101 1.01 57.50 1003006180 | 2,001 20.01 77.51 1003006198 | 10 0.10 77.61 1003006206 | 2 0.02 77.63 1003006271 | 6 0.06 77.69 1003006339 | 3 0.03 77.72 1003006503 | 109 1.09 78.81 1003006552 | 71 0.71 79.52 1003006586 | 165 1.65 81.17 1003006602 | 21 0.21 81.38 1003006610 | 8 0.08 81.46 1003006636 | 1,106 11.06 92.52 1003006651 | 5 0.05 92.57 1003006701 | 32 0.32 92.89 1003006727 | 4 0.04 92.93 1003006800 | 26 0.26 93.19 1003006958 | 127 1.27 94.46 1003007022 | 220 2.20 96.66 1003007048 | 77 0.77 97.43 1003007063 | 10 0.10 97.53 1003007170 | 247 2.47 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 12 Feb 2018