Frequencies for c_1_c7_04107 variable in hcris2552_96_2010 dataset :

c_1_c7_0410 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
     417607 |          1        0.03        0.03
    3049657 |          1        0.03        0.05
    7586098 |          1        0.03        0.08
   4.21e+07 |          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