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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        920        9.20        9.20
          1 |        405        4.05       13.25
          2 |         90        0.90       14.15
          3 |        547        5.47       19.62
          4 |         92        0.92       20.54
          5 |        129        1.29       21.83
          6 |        372        3.72       25.55
          7 |        132        1.32       26.87
          8 |         58        0.58       27.45
          9 |        699        6.99       34.44
         10 |        206        2.06       36.50
         11 |        464        4.64       41.14
         12 |      4,351       43.51       84.65
         13 |         74        0.74       85.39
         14 |        271        2.71       88.10
         18 |         14        0.14       88.24
         99 |        607        6.07       94.31
          . |        569        5.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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