Frequencies for first 10,000 rows of nrs_prctnr_cnt variable in pos2007 dataset :

      nurse |
practitione |
         rs |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,418       94.18       94.18
        .04 |          1        0.01       94.19
        .05 |          1        0.01       94.20
        .06 |          4        0.04       94.24
        .08 |          2        0.02       94.26
         .1 |          2        0.02       94.28
         .2 |          4        0.04       94.32
        .25 |          8        0.08       94.40
         .3 |          3        0.03       94.43
         .4 |          2        0.02       94.45
        .45 |          1        0.01       94.46
         .5 |         72        0.72       95.18
         .6 |         10        0.10       95.28
        .75 |         12        0.12       95.40
         .8 |          3        0.03       95.43
        .88 |          1        0.01       95.44
         .9 |          2        0.02       95.46
          1 |        358        3.58       99.04
        1.2 |          1        0.01       99.05
       1.25 |          3        0.03       99.08
        1.4 |          2        0.02       99.10
        1.5 |         11        0.11       99.21
        1.6 |          1        0.01       99.22
       1.75 |          3        0.03       99.25
          2 |         29        0.29       99.54
        2.2 |          1        0.01       99.55
       2.25 |          1        0.01       99.56
        2.4 |          1        0.01       99.57
        2.5 |          2        0.02       99.59
          3 |          7        0.07       99.66
       3.25 |          1        0.01       99.67
        3.4 |          1        0.01       99.68
        3.5 |          1        0.01       99.69
          4 |          6        0.06       99.75
        4.8 |          1        0.01       99.76
          5 |          4        0.04       99.80
       5.25 |          1        0.01       99.81
       5.31 |          1        0.01       99.82
        5.5 |          1        0.01       99.83
       5.75 |          1        0.01       99.84
          6 |          1        0.01       99.85
        7.5 |          1        0.01       99.86
          8 |          1        0.01       99.87
        8.5 |          1        0.01       99.88
          9 |          1        0.01       99.89
        9.5 |          1        0.01       99.90
         10 |          3        0.03       99.93
      12.86 |          1        0.01       99.94
         16 |          1        0.01       99.95
       16.8 |          1        0.01       99.96
         18 |          1        0.01       99.97
       21.2 |          1        0.01       99.98
        100 |          1        0.01       99.99
     712.75 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017