Frequencies for first 10,000 rows of rn_cntrct_cnt variable in pos2008 dataset :

 registered |
    nurse - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,890       98.90       98.90
        .06 |          2        0.02       98.92
        .11 |         13        0.13       99.05
        .17 |          1        0.01       99.06
        .19 |          1        0.01       99.07
        .23 |          6        0.06       99.13
        .24 |          2        0.02       99.15
        .26 |          1        0.01       99.16
        .27 |          1        0.01       99.17
        .34 |          4        0.04       99.21
         .4 |          2        0.02       99.23
        .43 |          1        0.01       99.24
        .46 |          9        0.09       99.33
         .5 |          1        0.01       99.34
        .56 |          1        0.01       99.35
        .57 |          3        0.03       99.38
        .61 |          1        0.01       99.39
        .69 |          2        0.02       99.41
        .73 |          1        0.01       99.42
         .8 |          2        0.02       99.44
        .86 |          2        0.02       99.46
        .91 |          3        0.03       99.49
        .99 |          1        0.01       99.50
       1.03 |          1        0.01       99.51
       1.09 |          2        0.02       99.53
       1.14 |          6        0.06       99.59
       1.16 |          1        0.01       99.60
       1.26 |          1        0.01       99.61
       1.29 |          2        0.02       99.63
       1.34 |          2        0.02       99.65
       1.39 |          1        0.01       99.66
       1.49 |          1        0.01       99.67
        1.6 |          2        0.02       99.69
       1.73 |          1        0.01       99.70
       1.77 |          1        0.01       99.71
       1.89 |          3        0.03       99.74
        1.9 |          1        0.01       99.75
       2.07 |          1        0.01       99.76
       2.29 |          1        0.01       99.77
        2.4 |          1        0.01       99.78
       2.49 |          1        0.01       99.79
       2.51 |          1        0.01       99.80
        2.6 |          1        0.01       99.81
       2.67 |          1        0.01       99.82
       2.74 |          1        0.01       99.83
       2.79 |          1        0.01       99.84
       2.86 |          1        0.01       99.85
       2.97 |          1        0.01       99.86
       3.26 |          1        0.01       99.87
       3.36 |          1        0.01       99.88
       3.43 |          1        0.01       99.89
       3.49 |          1        0.01       99.90
       3.83 |          1        0.01       99.91
          4 |          2        0.02       99.93
       4.83 |          1        0.01       99.94
       6.51 |          1        0.01       99.95
       6.86 |          1        0.01       99.96
       9.14 |          1        0.01       99.97
      10.21 |          1        0.01       99.98
      22.13 |          1        0.01       99.99
      26.79 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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