Frequencies for first 10,000 rows of impact1 variable in person dataset :

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        823        8.23        8.23
          1 |        201        2.01       10.24
          2 |        249        2.49       12.73
          3 |        555        5.55       18.28
          4 |         82        0.82       19.10
          5 |         58        0.58       19.68
          6 |        415        4.15       23.83
          7 |        139        1.39       25.22
          8 |         82        0.82       26.04
          9 |        593        5.93       31.97
         10 |        113        1.13       33.10
         11 |        512        5.12       38.22
         12 |      4,567       45.67       83.89
         13 |         21        0.21       84.10
         14 |        328        3.28       87.38
         99 |        519        5.19       92.57
          . |        743        7.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016