Frequencies for a_c1_06111 variable in hcris2552_96_2007 dataset :

 a_c1_06111 |      Freq.     Percent        Cum.
------------+-----------------------------------
     528787 |          1        0.02        0.02
    1296192 |          1        0.02        0.03
          . |      6,178       99.97      100.00
------------+-----------------------------------
      Total |      6,180      100.00

by Jean Roth , jroth@nber.org , 11 Sep 2018