Frequencies for c_1_c7_03037 variable in hcris2552_96_2007 dataset :

c_1_c7_0303 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
      31585 |          1        0.02        0.02
     163013 |          1        0.02        0.03
     179830 |          1        0.02        0.05
          . |      6,177       99.95      100.00
------------+-----------------------------------
      Total |      6,180      100.00

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