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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        966        9.66        9.66
          1 |        284        2.84       12.50
          2 |        255        2.55       15.05
          3 |        538        5.38       20.43
          4 |         67        0.67       21.10
          5 |         93        0.93       22.03
          6 |        478        4.78       26.81
          7 |        141        1.41       28.22
          8 |         73        0.73       28.95
          9 |        677        6.77       35.72
         10 |         89        0.89       36.61
         11 |        551        5.51       42.12
         12 |      4,270       42.70       84.82
         13 |         23        0.23       85.05
         14 |        372        3.72       88.77
         99 |        456        4.56       93.33
          . |        667        6.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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