Frequencies for alc_res variable in person dataset :

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        450       35.10       35.10
          2 |         11        0.86       35.96
          3 |          5        0.39       36.35
          4 |          7        0.55       36.90
          5 |         11        0.86       37.75
          6 |         11        0.86       38.61
          7 |          5        0.39       39.00
          8 |          6        0.47       39.47
          9 |         12        0.94       40.41
         10 |          7        0.55       40.95
         11 |         15        1.17       42.12
         12 |          6        0.47       42.59
         13 |         11        0.86       43.45
         14 |          7        0.55       43.99
         15 |          6        0.47       44.46
         16 |         12        0.94       45.40
         17 |          3        0.23       45.63
         18 |         12        0.94       46.57
         19 |         10        0.78       47.35
         20 |          6        0.47       47.82
         21 |          5        0.39       48.21
         22 |          7        0.55       48.75
         23 |          6        0.47       49.22
         24 |          5        0.39       49.61
         25 |          4        0.31       49.92
         26 |         10        0.78       50.70
         27 |          2        0.16       50.86
         28 |          5        0.39       51.25
         30 |          5        0.39       51.64
         31 |          1        0.08       51.72
         32 |          2        0.16       51.87
         33 |          2        0.16       52.03
         34 |          2        0.16       52.18
         35 |          3        0.23       52.42
         36 |          1        0.08       52.50
         38 |          2        0.16       52.65
         40 |          1        0.08       52.73
         96 |        590       46.02       98.75
         97 |         16        1.25      100.00
------------+-----------------------------------
      Total |      1,282      100.00

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