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

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,270       22.70       22.70
          1 |         42        0.42       23.12
          2 |         30        0.30       23.42
          3 |         39        0.39       23.81
          4 |         36        0.36       24.17
          5 |         31        0.31       24.48
          6 |         33        0.33       24.81
          7 |         35        0.35       25.16
          8 |         35        0.35       25.51
          9 |         37        0.37       25.88
         10 |         50        0.50       26.38
         11 |         52        0.52       26.90
         12 |         57        0.57       27.47
         13 |         67        0.67       28.14
         14 |         46        0.46       28.60
         15 |         61        0.61       29.21
         16 |         65        0.65       29.86
         17 |         47        0.47       30.33
         18 |         52        0.52       30.85
         19 |         60        0.60       31.45
         20 |         59        0.59       32.04
         21 |         60        0.60       32.64
         22 |         58        0.58       33.22
         23 |         49        0.49       33.71
         24 |         37        0.37       34.08
         25 |         34        0.34       34.42
         26 |         31        0.31       34.73
         27 |         36        0.36       35.09
         28 |         17        0.17       35.26
         29 |         17        0.17       35.43
         30 |         16        0.16       35.59
         31 |         14        0.14       35.73
         32 |          9        0.09       35.82
         33 |          3        0.03       35.85
         34 |          5        0.05       35.90
         35 |         12        0.12       36.02
         36 |          3        0.03       36.05
         37 |          2        0.02       36.07
         38 |          4        0.04       36.11
         39 |          4        0.04       36.15
         40 |          1        0.01       36.16
         41 |          3        0.03       36.19
         43 |          2        0.02       36.21
         45 |          1        0.01       36.22
         46 |          1        0.01       36.23
         49 |          1        0.01       36.24
         57 |          1        0.01       36.25
         61 |          1        0.01       36.26
         95 |          7        0.07       36.33
         96 |      5,849       58.49       94.82
         97 |        400        4.00       98.82
         98 |          2        0.02       98.84
         99 |        116        1.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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