Frequencies for first 10,000 rows of cigar variable in natlterr2000 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,902       99.02       99.02
          1 |          5        0.05       99.07
          2 |          4        0.04       99.11
          3 |          7        0.07       99.18
          4 |          6        0.06       99.24
          5 |          8        0.08       99.32
          6 |         10        0.10       99.42
          7 |          2        0.02       99.44
          8 |          4        0.04       99.48
          9 |          2        0.02       99.50
         10 |         17        0.17       99.67
         12 |          2        0.02       99.69
         14 |          1        0.01       99.70
         15 |          3        0.03       99.73
         16 |          1        0.01       99.74
         18 |          1        0.01       99.75
         20 |         17        0.17       99.92
         40 |          1        0.01       99.93
         50 |          1        0.01       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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