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

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,724       17.24       17.24
          1 |         28        0.28       17.52
          2 |         33        0.33       17.85
          3 |         28        0.28       18.13
          4 |         26        0.26       18.39
          5 |         26        0.26       18.65
          6 |         23        0.23       18.88
          7 |         32        0.32       19.20
          8 |         31        0.31       19.51
          9 |         25        0.25       19.76
         10 |         32        0.32       20.08
         11 |         39        0.39       20.47
         12 |         33        0.33       20.80
         13 |         38        0.38       21.18
         14 |         36        0.36       21.54
         15 |         35        0.35       21.89
         16 |         37        0.37       22.26
         17 |         44        0.44       22.70
         18 |         44        0.44       23.14
         19 |         36        0.36       23.50
         20 |         43        0.43       23.93
         21 |         42        0.42       24.35
         22 |         35        0.35       24.70
         23 |         34        0.34       25.04
         24 |         21        0.21       25.25
         25 |         28        0.28       25.53
         26 |         27        0.27       25.80
         27 |         20        0.20       26.00
         28 |         19        0.19       26.19
         29 |         14        0.14       26.33
         30 |         14        0.14       26.47
         31 |          7        0.07       26.54
         32 |         12        0.12       26.66
         34 |          2        0.02       26.68
         35 |          6        0.06       26.74
         36 |          5        0.05       26.79
         37 |          3        0.03       26.82
         39 |          2        0.02       26.84
         40 |          2        0.02       26.86
         41 |          1        0.01       26.87
         42 |          2        0.02       26.89
         43 |          3        0.03       26.92
         48 |          1        0.01       26.93
         49 |          1        0.01       26.94
         50 |          2        0.02       26.96
         54 |          1        0.01       26.97
         95 |          6        0.06       27.03
         96 |      5,769       57.69       84.72
         97 |        772        7.72       92.44
         99 |        756        7.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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