Frequencies for c_1_c7_06041 variable in hcris2552_96_2005 dataset :

c_1_c7_0604 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
     539743 |          1        0.02        0.02
    1644316 |          1        0.02        0.03
    2660029 |          1        0.02        0.05
    7600852 |          1        0.02        0.06
          . |      6,244       99.94      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018