Frequencies for c_1_c5_03400 variable in hcris2552_96_2011 dataset :

c_1_c5_0340 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
     284403 |          1        2.94        2.94
     847122 |          1        2.94        5.88
    1463369 |          1        2.94        8.82
    2467162 |          1        2.94       11.76
          . |         30       88.24      100.00
------------+-----------------------------------
      Total |         34      100.00

by Jean Roth , jroth@nber.org , 2 Sep 2018