Frequencies for first 10,000 rows of rn_cntrct_cnt variable in pos1996 dataset :

 registered |
    nurse - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,901       99.01       99.01
        .03 |          1        0.01       99.02
        .06 |          5        0.05       99.07
        .11 |         19        0.19       99.26
        .14 |          1        0.01       99.27
        .16 |          1        0.01       99.28
        .17 |          1        0.01       99.29
         .2 |          1        0.01       99.30
        .23 |         12        0.12       99.42
        .24 |          1        0.01       99.43
        .25 |          1        0.01       99.44
        .26 |          1        0.01       99.45
        .27 |          1        0.01       99.46
         .3 |          1        0.01       99.47
        .34 |          9        0.09       99.56
        .36 |          1        0.01       99.57
        .43 |          1        0.01       99.58
        .46 |          4        0.04       99.62
        .51 |          2        0.02       99.64
        .57 |          3        0.03       99.67
        .61 |          1        0.01       99.68
        .69 |          4        0.04       99.72
        .71 |          1        0.01       99.73
        .75 |          1        0.01       99.74
         .8 |          2        0.02       99.76
        .88 |          1        0.01       99.77
        .91 |          1        0.01       99.78
          1 |          1        0.01       99.79
       1.03 |          1        0.01       99.80
       1.14 |          5        0.05       99.85
        1.2 |          1        0.01       99.86
       1.46 |          1        0.01       99.87
        1.6 |          1        0.01       99.88
       1.83 |          1        0.01       99.89
       1.94 |          1        0.01       99.90
          2 |          1        0.01       99.91
       2.34 |          1        0.01       99.92
       2.63 |          1        0.01       99.93
       3.09 |          1        0.01       99.94
       3.74 |          1        0.01       99.95
        5.4 |          1        0.01       99.96
          6 |          1        0.01       99.97
      11.43 |          2        0.02       99.99
      13.41 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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