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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        879        8.79        8.79
          1 |        211        2.11       10.90
          2 |        225        2.25       13.15
          3 |        538        5.38       18.53
          4 |        129        1.29       19.82
          5 |         89        0.89       20.71
          6 |        469        4.69       25.40
          7 |        115        1.15       26.55
          8 |         86        0.86       27.41
          9 |        608        6.08       33.49
         10 |        118        1.18       34.67
         11 |        498        4.98       39.65
         12 |      4,547       45.47       85.12
         13 |         52        0.52       85.64
         14 |        261        2.61       88.25
         99 |        450        4.50       92.75
          . |        725        7.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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