Frequencies for s3_1_c5_16 variable in hcris2552_10_2016 dataset :

        ipf |
    s300001 |
01600 00500 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
         83 |          1        0.02        0.03
        433 |          1        0.02        0.05
       2948 |          1        0.02        0.06
          . |      6,178       99.94      100.00
------------+-----------------------------------
      Total |      6,182      100.00

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