Frequencies for s3_1_c5_16 variable in hcris2552_10_2011 dataset :

        ipf |
    s300001 |
01600 00500 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          1        0.02        0.02
         57 |          1        0.02        0.03
         67 |          1        0.02        0.05
        142 |          1        0.02        0.07
        525 |          1        0.02        0.08
        586 |          1        0.02        0.10
        668 |          1        0.02        0.11
       3083 |          1        0.02        0.13
          . |      6,142       99.87      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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