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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        807        8.07        8.07
          1 |        354        3.54       11.61
          2 |         89        0.89       12.50
          3 |        518        5.18       17.68
          4 |         79        0.79       18.47
          5 |         90        0.90       19.37
          6 |        524        5.24       24.61
          7 |        136        1.36       25.97
          8 |         67        0.67       26.64
          9 |        624        6.24       32.88
         10 |        108        1.08       33.96
         11 |        462        4.62       38.58
         12 |      4,631       46.31       84.89
         13 |         55        0.55       85.44
         14 |        299        2.99       88.43
         18 |         29        0.29       88.72
         99 |        513        5.13       93.85
          . |        615        6.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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