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

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,463       14.63       14.63
          1 |         17        0.17       14.80
          2 |         49        0.49       15.29
          3 |         41        0.41       15.70
          4 |         37        0.37       16.07
          5 |         34        0.34       16.41
          6 |         44        0.44       16.85
          7 |         37        0.37       17.22
          8 |         49        0.49       17.71
          9 |         50        0.50       18.21
         10 |         51        0.51       18.72
         11 |         43        0.43       19.15
         12 |         51        0.51       19.66
         13 |         54        0.54       20.20
         14 |         50        0.50       20.70
         15 |         88        0.88       21.58
         16 |         65        0.65       22.23
         17 |         52        0.52       22.75
         18 |         69        0.69       23.44
         19 |         57        0.57       24.01
         20 |         51        0.51       24.52
         21 |         57        0.57       25.09
         22 |         46        0.46       25.55
         23 |         41        0.41       25.96
         24 |         33        0.33       26.29
         25 |         44        0.44       26.73
         26 |         32        0.32       27.05
         27 |         36        0.36       27.41
         28 |         27        0.27       27.68
         29 |         21        0.21       27.89
         30 |          9        0.09       27.98
         31 |         11        0.11       28.09
         32 |          9        0.09       28.18
         33 |          7        0.07       28.25
         34 |         11        0.11       28.36
         35 |         10        0.10       28.46
         36 |          7        0.07       28.53
         37 |          7        0.07       28.60
         38 |          2        0.02       28.62
         39 |          1        0.01       28.63
         40 |          2        0.02       28.65
         43 |          1        0.01       28.66
         44 |          1        0.01       28.67
         47 |          1        0.01       28.68
         48 |          1        0.01       28.69
         95 |          7        0.07       28.76
         96 |      6,255       62.55       91.31
         97 |        499        4.99       96.30
         99 |        370        3.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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