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

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,539       15.39       15.39
          1 |         28        0.28       15.67
          2 |         35        0.35       16.02
          3 |         23        0.23       16.25
          4 |         38        0.38       16.63
          5 |         31        0.31       16.94
          6 |         31        0.31       17.25
          7 |         39        0.39       17.64
          8 |         31        0.31       17.95
          9 |         36        0.36       18.31
         10 |         37        0.37       18.68
         11 |         38        0.38       19.06
         12 |         42        0.42       19.48
         13 |         59        0.59       20.07
         14 |         37        0.37       20.44
         15 |         49        0.49       20.93
         16 |         38        0.38       21.31
         17 |         46        0.46       21.77
         18 |         46        0.46       22.23
         19 |         48        0.48       22.71
         20 |         51        0.51       23.22
         21 |         46        0.46       23.68
         22 |         43        0.43       24.11
         23 |         41        0.41       24.52
         24 |         41        0.41       24.93
         25 |         23        0.23       25.16
         26 |         35        0.35       25.51
         27 |         25        0.25       25.76
         28 |         24        0.24       26.00
         29 |         15        0.15       26.15
         30 |         15        0.15       26.30
         31 |         12        0.12       26.42
         32 |          5        0.05       26.47
         33 |          8        0.08       26.55
         34 |          4        0.04       26.59
         35 |          5        0.05       26.64
         36 |          5        0.05       26.69
         37 |          2        0.02       26.71
         38 |          4        0.04       26.75
         39 |          3        0.03       26.78
         40 |          1        0.01       26.79
         46 |          1        0.01       26.80
         51 |          1        0.01       26.81
         95 |          9        0.09       26.90
         96 |      5,969       59.69       86.59
         97 |        572        5.72       92.31
         99 |        769        7.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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