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

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,615       16.15       16.15
          1 |         25        0.25       16.40
          2 |         33        0.33       16.73
          3 |         24        0.24       16.97
          4 |         28        0.28       17.25
          5 |         27        0.27       17.52
          6 |         27        0.27       17.79
          7 |         26        0.26       18.05
          8 |         38        0.38       18.43
          9 |         28        0.28       18.71
         10 |         29        0.29       19.00
         11 |         50        0.50       19.50
         12 |         40        0.40       19.90
         13 |         34        0.34       20.24
         14 |         48        0.48       20.72
         15 |         45        0.45       21.17
         16 |         35        0.35       21.52
         17 |         38        0.38       21.90
         18 |         47        0.47       22.37
         19 |         39        0.39       22.76
         20 |         49        0.49       23.25
         21 |         29        0.29       23.54
         22 |         47        0.47       24.01
         23 |         37        0.37       24.38
         24 |         37        0.37       24.75
         25 |         30        0.30       25.05
         26 |         32        0.32       25.37
         27 |         20        0.20       25.57
         28 |         15        0.15       25.72
         29 |         17        0.17       25.89
         30 |         15        0.15       26.04
         31 |         11        0.11       26.15
         32 |         13        0.13       26.28
         33 |         11        0.11       26.39
         34 |          6        0.06       26.45
         35 |          9        0.09       26.54
         36 |          4        0.04       26.58
         37 |          2        0.02       26.60
         38 |          5        0.05       26.65
         39 |          4        0.04       26.69
         40 |          3        0.03       26.72
         41 |          3        0.03       26.75
         44 |          1        0.01       26.76
         46 |          1        0.01       26.77
         47 |          2        0.02       26.79
         49 |          1        0.01       26.80
         50 |          1        0.01       26.81
         52 |          1        0.01       26.82
         63 |          1        0.01       26.83
         95 |          6        0.06       26.89
         96 |      5,738       57.38       84.27
         97 |        810        8.10       92.37
         99 |        763        7.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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