Frequencies for first 10,000 rows of prov1150 variable in pos2001 dataset :

 registered |
    nurse - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,859       98.59       98.59
        .06 |          2        0.02       98.61
        .11 |         18        0.18       98.79
        .17 |          2        0.02       98.81
        .22 |          1        0.01       98.82
        .23 |         11        0.11       98.93
        .25 |          1        0.01       98.94
        .26 |          2        0.02       98.96
        .29 |          1        0.01       98.97
        .34 |          6        0.06       99.03
        .37 |          1        0.01       99.04
        .43 |          2        0.02       99.06
        .46 |          5        0.05       99.11
        .47 |          1        0.01       99.12
         .5 |          1        0.01       99.13
        .54 |          1        0.01       99.14
        .57 |          6        0.06       99.20
        .59 |          2        0.02       99.22
        .69 |          1        0.01       99.23
        .71 |          1        0.01       99.24
        .79 |          1        0.01       99.25
         .8 |          3        0.03       99.28
        .83 |          1        0.01       99.29
        .86 |          1        0.01       99.30
        .91 |          3        0.03       99.33
       1.06 |          1        0.01       99.34
       1.09 |          2        0.02       99.36
       1.11 |          1        0.01       99.37
       1.14 |          6        0.06       99.43
       1.24 |          1        0.01       99.44
       1.26 |          1        0.01       99.45
       1.34 |          1        0.01       99.46
       1.36 |          1        0.01       99.47
       1.37 |          3        0.03       99.50
        1.4 |          1        0.01       99.51
       1.43 |          1        0.01       99.52
       1.46 |          1        0.01       99.53
        1.6 |          2        0.02       99.55
       1.71 |          3        0.03       99.58
       1.74 |          1        0.01       99.59
       1.83 |          4        0.04       99.63
          2 |          1        0.01       99.64
       2.06 |          2        0.02       99.66
       2.16 |          1        0.01       99.67
       2.29 |          2        0.02       99.69
       2.49 |          1        0.01       99.70
        2.5 |          2        0.02       99.72
       2.51 |          2        0.02       99.74
        2.6 |          1        0.01       99.75
       2.61 |          1        0.01       99.76
       2.67 |          1        0.01       99.77
       2.77 |          1        0.01       99.78
       2.86 |          1        0.01       99.79
       3.07 |          1        0.01       99.80
       3.09 |          1        0.01       99.81
       3.29 |          1        0.01       99.82
        3.4 |          1        0.01       99.83
       3.43 |          1        0.01       99.84
       3.49 |          1        0.01       99.85
          4 |          1        0.01       99.86
       4.11 |          1        0.01       99.87
       4.84 |          1        0.01       99.88
       5.14 |          1        0.01       99.89
       5.31 |          1        0.01       99.90
       5.69 |          1        0.01       99.91
       5.88 |          1        0.01       99.92
       6.51 |          1        0.01       99.93
        7.4 |          1        0.01       99.94
      22.13 |          1        0.01       99.95
         80 |          1        0.01       99.96
      91.43 |          1        0.01       99.97
     138.57 |          1        0.01       99.98
     285.71 |          1        0.01       99.99
     314.29 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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