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

    alcohol |
 test- type |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,266       52.66       52.66
          1 |      3,344       33.44       86.10
          2 |         38        0.38       86.48
          3 |         13        0.13       86.61
          4 |         36        0.36       86.97
          5 |          2        0.02       86.99
          7 |          5        0.05       87.04
          8 |          5        0.05       87.09
         10 |        192        1.92       89.01
         95 |      1,007       10.07       99.08
         98 |          9        0.09       99.17
         99 |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016