Frequencies for alc_res variable in person dataset :

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        514       39.91       39.91
          1 |          1        0.08       39.98
          2 |         12        0.93       40.92
          3 |          9        0.70       41.61
          4 |          8        0.62       42.24
          5 |          6        0.47       42.70
          6 |          7        0.54       43.25
          7 |          5        0.39       43.63
          8 |          5        0.39       44.02
          9 |          4        0.31       44.33
         10 |         11        0.85       45.19
         11 |          9        0.70       45.89
         12 |          9        0.70       46.58
         13 |          9        0.70       47.28
         14 |         11        0.85       48.14
         15 |         12        0.93       49.07
         16 |          7        0.54       49.61
         17 |          6        0.47       50.08
         18 |          9        0.70       50.78
         19 |          9        0.70       51.48
         20 |         12        0.93       52.41
         21 |          4        0.31       52.72
         22 |          1        0.08       52.80
         23 |          9        0.70       53.49
         24 |          7        0.54       54.04
         25 |          5        0.39       54.43
         26 |          6        0.47       54.89
         27 |          2        0.16       55.05
         28 |          2        0.16       55.20
         29 |          5        0.39       55.59
         30 |          3        0.23       55.82
         31 |          1        0.08       55.90
         32 |          3        0.23       56.13
         33 |          3        0.23       56.37
         34 |          2        0.16       56.52
         35 |          2        0.16       56.68
         36 |          1        0.08       56.75
         39 |          1        0.08       56.83
         40 |          2        0.16       56.99
         96 |        542       42.08       99.07
         97 |         12        0.93      100.00
------------+-----------------------------------
      Total |      1,288      100.00

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