Frequencies for c_1_c5_04500 variable in hcris2552_96_2005 dataset :

c_1_c5_0450 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
      35400 |          1        0.02        0.02
     129758 |          1        0.02        0.03
     144870 |          1        0.02        0.05
    1625000 |          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