Frequencies for first 10,000 rows of cigar variable in natl1996 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,655       86.55       86.55
          1 |         30        0.30       86.85
          2 |         53        0.53       87.38
          3 |         50        0.50       87.88
          4 |         44        0.44       88.32
          5 |        105        1.05       89.37
          6 |         29        0.29       89.66
          7 |         14        0.14       89.80
          8 |         19        0.19       89.99
         10 |        438        4.38       94.37
         11 |          1        0.01       94.38
         12 |         14        0.14       94.52
         13 |          1        0.01       94.53
         14 |          3        0.03       94.56
         15 |         44        0.44       95.00
         20 |        353        3.53       98.53
         23 |          2        0.02       98.55
         24 |          3        0.03       98.58
         25 |          6        0.06       98.64
         30 |         37        0.37       99.01
         34 |          1        0.01       99.02
         35 |          1        0.01       99.03
         40 |         17        0.17       99.20
         60 |          1        0.01       99.21
         80 |          1        0.01       99.22
         99 |         78        0.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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