Frequencies for first 10,000 rows of nat_cntrct_cnt variable in pos2011 dataset :

Nurse Aides |
in Training |
 - Contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,367       23.67       23.67
        .44 |          1        0.01       23.68
        .57 |          1        0.01       23.69
        .71 |          1        0.01       23.70
        .93 |          1        0.01       23.71
       1.46 |          1        0.01       23.72
       5.01 |          1        0.01       23.73
       5.29 |          1        0.01       23.74
       6.77 |          1        0.01       23.75
        6.8 |          1        0.01       23.76
       6.86 |          1        0.01       23.77
       8.57 |          1        0.01       23.78
      10.51 |          1        0.01       23.79
          . |      7,621       76.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019