Frequencies for first 10,000 rows of tobuse variable in natlterr2005 dataset :

Tobacco Use |
        RFP |
667=f_tobac |
          U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        567        5.67        5.67
          2 |      3,944       39.44       45.11
          9 |      1,744       17.44       62.55
          . |      3,745       37.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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