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

    Alcohol |
      Test- |
     Result |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,233       22.33       22.33
          1 |         22        0.22       22.55
          2 |         28        0.28       22.83
          3 |         28        0.28       23.11
          4 |         22        0.22       23.33
          5 |         22        0.22       23.55
          6 |         31        0.31       23.86
          7 |         32        0.32       24.18
          8 |         37        0.37       24.55
          9 |         34        0.34       24.89
         10 |         44        0.44       25.33
         11 |         46        0.46       25.79
         12 |         48        0.48       26.27
         13 |         39        0.39       26.66
         14 |         48        0.48       27.14
         15 |         64        0.64       27.78
         16 |         60        0.60       28.38
         17 |         60        0.60       28.98
         18 |         67        0.67       29.65
         19 |         52        0.52       30.17
         20 |         47        0.47       30.64
         21 |         64        0.64       31.28
         22 |         40        0.40       31.68
         23 |         42        0.42       32.10
         24 |         35        0.35       32.45
         25 |         41        0.41       32.86
         26 |         35        0.35       33.21
         27 |         24        0.24       33.45
         28 |         27        0.27       33.72
         29 |         15        0.15       33.87
         30 |         20        0.20       34.07
         31 |         16        0.16       34.23
         32 |          8        0.08       34.31
         33 |         14        0.14       34.45
         34 |          8        0.08       34.53
         35 |          3        0.03       34.56
         36 |          8        0.08       34.64
         37 |          9        0.09       34.73
         38 |          3        0.03       34.76
         39 |          1        0.01       34.77
         40 |          3        0.03       34.80
         42 |          2        0.02       34.82
         43 |          1        0.01       34.83
         44 |          2        0.02       34.85
         60 |          1        0.01       34.86
         95 |        556        5.56       40.42
         96 |      5,514       55.14       95.56
         97 |        413        4.13       99.69
         98 |          8        0.08       99.77
         99 |         23        0.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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