Frequencies for first 10,000 rows of prov5150 variable in pos1997 dataset :

nurses with |
      admin |
duties-cont |
       ract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,987       99.87       99.87
        .06 |          3        0.03       99.90
        .11 |          1        0.01       99.91
         .2 |          1        0.01       99.92
        .23 |          1        0.01       99.93
        .33 |          1        0.01       99.94
        .36 |          1        0.01       99.95
       1.14 |          2        0.02       99.97
       1.26 |          1        0.01       99.98
       2.29 |          1        0.01       99.99
      22.86 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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