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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        876        8.76        8.76
          1 |        554        5.54       14.30
          2 |        181        1.81       16.11
          3 |        637        6.37       22.48
          4 |        100        1.00       23.48
          5 |        111        1.11       24.59
          6 |        362        3.62       28.21
          7 |         97        0.97       29.18
          8 |        144        1.44       30.62
          9 |        632        6.32       36.94
         10 |        204        2.04       38.98
         11 |        600        6.00       44.98
         12 |      4,257       42.57       87.55
         13 |         21        0.21       87.76
         14 |        307        3.07       90.83
         15 |          2        0.02       90.85
         16 |          3        0.03       90.88
         99 |        115        1.15       92.03
          . |        797        7.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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