Frequencies for h4_2_hha1_c1_30 variable in prds_hosp10_yr2010 dataset :

h4_2_hha1_c |
       1_30 |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |          1        0.04        0.04
         -1 |          4        0.17        0.22
          1 |          4        0.17        0.39
          . |      2,314       99.61      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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