Frequencies for s4_hha2_c3_33 variable in prds_hosp10_yr2010 dataset :

s4_hha2_c3_ |
         33 |      Freq.     Percent        Cum.
------------+-----------------------------------
         26 |          1        0.04        0.04
         41 |          1        0.04        0.09
         80 |          1        0.04        0.13
        226 |          1        0.04        0.17
          . |      2,319       99.83      100.00
------------+-----------------------------------
      Total |      2,323      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018