Frequencies for first 10,000 rows of prov5165 variable in pos2006 dataset :

nurse aides |
  in trng - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,980       99.80       99.80
        .01 |          1        0.01       99.81
        .11 |          1        0.01       99.82
        .64 |          1        0.01       99.83
         .8 |          1        0.01       99.84
        .91 |          1        0.01       99.85
       1.14 |          1        0.01       99.86
       1.37 |          1        0.01       99.87
       1.49 |          1        0.01       99.88
       1.83 |          1        0.01       99.89
       2.14 |          1        0.01       99.90
       2.29 |          1        0.01       99.91
       2.74 |          1        0.01       99.92
       2.79 |          1        0.01       99.93
       3.31 |          1        0.01       99.94
       3.49 |          1        0.01       99.95
       3.66 |          1        0.01       99.96
        3.7 |          1        0.01       99.97
       3.81 |          1        0.01       99.98
       3.89 |          1        0.01       99.99
        6.8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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