Frequencies for first 10,000 rows of prov5165 variable in pos2009 dataset :

NURSE AIDES |
  IN TRNG - |
   CONTRACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,992       99.92       99.92
        .11 |          2        0.02       99.94
        .97 |          1        0.01       99.95
       2.79 |          1        0.01       99.96
       3.43 |          1        0.01       99.97
        6.4 |          1        0.01       99.98
        6.8 |          1        0.01       99.99
       8.57 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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