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

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,632       26.32       26.32
          1 |         34        0.34       26.66
          2 |         45        0.45       27.11
          3 |         45        0.45       27.56
          4 |         39        0.39       27.95
          5 |         42        0.42       28.37
          6 |         34        0.34       28.71
          7 |         42        0.42       29.13
          8 |         32        0.32       29.45
          9 |         36        0.36       29.81
         10 |         42        0.42       30.23
         11 |         67        0.67       30.90
         12 |         63        0.63       31.53
         13 |         58        0.58       32.11
         14 |         61        0.61       32.72
         15 |         74        0.74       33.46
         16 |         65        0.65       34.11
         17 |         66        0.66       34.77
         18 |         67        0.67       35.44
         19 |         79        0.79       36.23
         20 |         60        0.60       36.83
         21 |         52        0.52       37.35
         22 |         72        0.72       38.07
         23 |         59        0.59       38.66
         24 |         52        0.52       39.18
         25 |         40        0.40       39.58
         26 |         38        0.38       39.96
         27 |         31        0.31       40.27
         28 |         32        0.32       40.59
         29 |         18        0.18       40.77
         30 |         22        0.22       40.99
         31 |         14        0.14       41.13
         32 |         11        0.11       41.24
         33 |          5        0.05       41.29
         34 |          5        0.05       41.34
         35 |          5        0.05       41.39
         36 |         10        0.10       41.49
         37 |          4        0.04       41.53
         38 |          8        0.08       41.61
         39 |          1        0.01       41.62
         40 |          3        0.03       41.65
         41 |          3        0.03       41.68
         42 |          3        0.03       41.71
         43 |          2        0.02       41.73
         44 |          3        0.03       41.76
         45 |          2        0.02       41.78
         46 |          1        0.01       41.79
         47 |          1        0.01       41.80
         50 |          1        0.01       41.81
         51 |          1        0.01       41.82
         52 |          1        0.01       41.83
         78 |          1        0.01       41.84
         96 |      5,549       55.49       97.33
         97 |        161        1.61       98.94
         98 |          7        0.07       99.01
         99 |         99        0.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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