Frequencies for c_1_c7_03370 variable in hcris2552_96_2004 dataset :

c_1_c7_0337 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
      19344 |          1        0.02        0.02
      46000 |          1        0.02        0.03
      91369 |          1        0.02        0.05
     406832 |          1        0.02        0.06
          . |      6,261       99.94      100.00
------------+-----------------------------------
      Total |      6,265      100.00

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