Frequencies for first 10,000 rows of cigar variable in natlterr1998 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,880       98.80       98.80
          1 |          5        0.05       98.85
          2 |          1        0.01       98.86
          3 |         11        0.11       98.97
          4 |          7        0.07       99.04
          5 |         11        0.11       99.15
          6 |          6        0.06       99.21
          7 |          2        0.02       99.23
          8 |          4        0.04       99.27
         10 |         33        0.33       99.60
         11 |          1        0.01       99.61
         12 |          2        0.02       99.63
         14 |          1        0.01       99.64
         15 |          2        0.02       99.66
         19 |          1        0.01       99.67
         20 |         23        0.23       99.90
         23 |          1        0.01       99.91
         30 |          1        0.01       99.92
         40 |          3        0.03       99.95
         99 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015