Frequencies for first 10,000 rows of prov1150 variable in pos2006 dataset :

 registered |
    nurse - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,867       98.67       98.67
        .03 |          2        0.02       98.69
        .06 |          2        0.02       98.71
        .11 |          8        0.08       98.79
        .16 |          1        0.01       98.80
        .17 |          2        0.02       98.82
        .21 |          1        0.01       98.83
        .23 |         10        0.10       98.93
        .25 |          1        0.01       98.94
        .26 |          1        0.01       98.95
        .34 |          9        0.09       99.04
        .37 |          2        0.02       99.06
        .43 |          2        0.02       99.08
        .46 |          7        0.07       99.15
        .49 |          1        0.01       99.16
         .5 |          1        0.01       99.17
        .51 |          2        0.02       99.19
        .54 |          1        0.01       99.20
        .57 |          5        0.05       99.25
         .6 |          1        0.01       99.26
        .64 |          1        0.01       99.27
        .74 |          1        0.01       99.28
         .8 |          3        0.03       99.31
        .86 |          1        0.01       99.32
        .91 |          1        0.01       99.33
        .93 |          1        0.01       99.34
       1.03 |          1        0.01       99.35
       1.09 |          2        0.02       99.37
       1.14 |         11        0.11       99.48
       1.16 |          1        0.01       99.49
        1.2 |          2        0.02       99.51
       1.26 |          1        0.01       99.52
       1.27 |          1        0.01       99.53
       1.34 |          2        0.02       99.55
       1.37 |          2        0.02       99.57
       1.49 |          1        0.01       99.58
       1.51 |          1        0.01       99.59
        1.6 |          1        0.01       99.60
       1.64 |          1        0.01       99.61
       1.66 |          1        0.01       99.62
        1.7 |          1        0.01       99.63
       1.74 |          2        0.02       99.65
       1.77 |          1        0.01       99.66
       1.87 |          1        0.01       99.67
       1.99 |          1        0.01       99.68
          2 |          1        0.01       99.69
       2.06 |          1        0.01       99.70
       2.19 |          1        0.01       99.71
       2.29 |          1        0.01       99.72
       2.34 |          2        0.02       99.74
       2.37 |          1        0.01       99.75
        2.4 |          2        0.02       99.77
       2.51 |          2        0.02       99.79
       2.64 |          1        0.01       99.80
       2.67 |          1        0.01       99.81
       2.79 |          1        0.01       99.82
       2.86 |          3        0.03       99.85
       2.97 |          1        0.01       99.86
        3.2 |          1        0.01       99.87
       3.26 |          1        0.01       99.88
       3.29 |          1        0.01       99.89
       3.49 |          1        0.01       99.90
          4 |          1        0.01       99.91
       4.11 |          1        0.01       99.92
       4.26 |          1        0.01       99.93
       4.46 |          1        0.01       99.94
       5.03 |          1        0.01       99.95
       5.66 |          1        0.01       99.96
       6.51 |          1        0.01       99.97
       8.71 |          1        0.01       99.98
      15.71 |          1        0.01       99.99
      22.13 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016