Frequencies for c_1_c5_03240 variable in hcris2552_96_2010 dataset :

c_1_c5_0324 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
     539488 |          1        0.03        0.03
     599800 |          1        0.03        0.05
    2391759 |          1        0.03        0.08
    6623431 |          1        0.03        0.10
          . |      3,847       99.90      100.00
------------+-----------------------------------
      Total |      3,851      100.00

by Jean Roth , jroth@nber.org , 1 Sep 2018