Frequencies for s3_1_c14_18 variable in hcris2552_10_2010 dataset :

    s300001 |
      01800 |
      01400 |
    s300001 |
01800 01400 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.04        0.04
          8 |          2        0.09        0.13
          . |      2,319       99.87      100.00
------------+-----------------------------------
      Total |      2,322      100.00

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