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

    Alcohol |
Test Result |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,052       10.52       10.52
          1 |         17        0.17       10.69
          2 |         45        0.45       11.14
          3 |         25        0.25       11.39
          4 |         23        0.23       11.62
          5 |         36        0.36       11.98
          6 |         39        0.39       12.37
          7 |         38        0.38       12.75
          8 |         43        0.43       13.18
          9 |         45        0.45       13.63
         10 |         55        0.55       14.18
         11 |         50        0.50       14.68
         12 |         75        0.75       15.43
         13 |         57        0.57       16.00
         14 |         62        0.62       16.62
         15 |         51        0.51       17.13
         16 |         83        0.83       17.96
         17 |         93        0.93       18.89
         18 |         59        0.59       19.48
         19 |         69        0.69       20.17
         20 |         73        0.73       20.90
         21 |         69        0.69       21.59
         22 |         83        0.83       22.42
         23 |         67        0.67       23.09
         24 |         65        0.65       23.74
         25 |         51        0.51       24.25
         26 |         41        0.41       24.66
         27 |         31        0.31       24.97
         28 |         20        0.20       25.17
         29 |         27        0.27       25.44
         30 |         18        0.18       25.62
         31 |         17        0.17       25.79
         32 |          9        0.09       25.88
         33 |         10        0.10       25.98
         34 |          4        0.04       26.02
         35 |          7        0.07       26.09
         36 |          7        0.07       26.16
         37 |          6        0.06       26.22
         38 |          5        0.05       26.27
         39 |          3        0.03       26.30
         41 |          3        0.03       26.33
         42 |          1        0.01       26.34
         44 |          1        0.01       26.35
         45 |          1        0.01       26.36
         46 |          1        0.01       26.37
         48 |          1        0.01       26.38
         49 |          1        0.01       26.39
         69 |          1        0.01       26.40
         95 |          7        0.07       26.47
         96 |      6,095       60.95       87.42
         97 |        470        4.70       92.12
         99 |        788        7.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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