Frequencies for first 10,000 rows of tobuse variable in natlterr2007 dataset :

Tobacco Use |
        RFP |
667=f_tobac |
          U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        380        3.80        3.80
          2 |      4,252       42.52       46.32
          9 |      1,531       15.31       61.63
          . |      3,837       38.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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