Frequencies for s3_1_c9_20 variable in hcris2552_10_2012 dataset :

         nf |
    s300001 |
02000 00900 |      Freq.     Percent        Cum.
------------+-----------------------------------
        2.9 |          1        0.02        0.02
          . |      6,226       99.98      100.00
------------+-----------------------------------
      Total |      6,227      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018