Frequencies for s3_1_c5_15 variable in hcris2552_10_2017 dataset :

    s300001 |
01500 00500 |      Freq.     Percent        Cum.
------------+-----------------------------------
        940 |          1        0.03        0.03
       3505 |          1        0.03        0.05
       4208 |          1        0.03        0.08
          . |      3,746       99.92      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2018