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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        866        8.66        8.66
          1 |        362        3.62       12.28
          2 |        130        1.30       13.58
          3 |        489        4.89       18.47
          4 |         95        0.95       19.42
          5 |        108        1.08       20.50
          6 |        520        5.20       25.70
          7 |        120        1.20       26.90
          8 |         96        0.96       27.86
          9 |        572        5.72       33.58
         10 |         99        0.99       34.57
         11 |        472        4.72       39.29
         12 |      4,436       44.36       83.65
         13 |         30        0.30       83.95
         14 |        299        2.99       86.94
         18 |         33        0.33       87.27
         99 |        608        6.08       93.35
          . |        665        6.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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