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

   ACTIVITY |
PROFESSIONA |
        L - |
   CONTRACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,888       98.88       98.88
        .01 |          5        0.05       98.93
        .03 |          7        0.07       99.00
        .04 |          3        0.03       99.03
        .05 |          1        0.01       99.04
        .06 |         25        0.25       99.29
        .09 |          2        0.02       99.31
        .11 |         26        0.26       99.57
        .14 |          2        0.02       99.59
         .2 |          1        0.01       99.60
        .23 |         12        0.12       99.72
        .26 |          1        0.01       99.73
        .29 |          1        0.01       99.74
        .34 |          2        0.02       99.76
        .36 |          3        0.03       99.79
        .46 |          2        0.02       99.81
        .97 |          1        0.01       99.82
          1 |          1        0.01       99.83
       1.06 |          1        0.01       99.84
       1.13 |          1        0.01       99.85
       1.14 |         12        0.12       99.97
       1.24 |          2        0.02       99.99
       1.43 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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