Frequencies for first 10,000 rows of actvty_profnl_cntrct_cnt variable in pos2007 dataset :

   activity |
professiona |
        l - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,855       98.55       98.55
        .01 |          8        0.08       98.63
        .03 |         12        0.12       98.75
        .04 |          6        0.06       98.81
        .05 |          1        0.01       98.82
        .06 |         30        0.30       99.12
        .07 |          1        0.01       99.13
        .09 |          5        0.05       99.18
        .11 |         28        0.28       99.46
        .14 |          1        0.01       99.47
         .2 |          1        0.01       99.48
        .23 |         13        0.13       99.61
        .26 |          1        0.01       99.62
        .27 |          1        0.01       99.63
        .29 |          2        0.02       99.65
        .34 |          1        0.01       99.66
        .36 |          3        0.03       99.69
        .46 |          1        0.01       99.70
        .74 |          1        0.01       99.71
        .79 |          1        0.01       99.72
         .8 |          1        0.01       99.73
        .91 |          1        0.01       99.74
          1 |          1        0.01       99.75
       1.13 |          1        0.01       99.76
       1.14 |         18        0.18       99.94
       1.23 |          1        0.01       99.95
       1.24 |          2        0.02       99.97
       1.29 |          1        0.01       99.98
          2 |          1        0.01       99.99
       2.51 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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