Frequencies for b_1_c21_108 variable in hcris2552_10_2010 dataset :

       lung |
acquisition |
    b000001 |
10800 02100 |      Freq.     Percent        Cum.
------------+-----------------------------------
        471 |          1        0.04        0.04
          . |      2,321       99.96      100.00
------------+-----------------------------------
      Total |      2,322      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018