Frequencies for s5_c2_7 variable in prds_hosp10_yr2012 dataset :

    s5_c2_7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          2 |         23        0.37        0.39
          3 |         56        0.90        1.28
          4 |          8        0.13        1.41
          6 |          1        0.02        1.43
         12 |          1        0.02        1.45
         24 |          1        0.02        1.46
         90 |          1        0.02        1.48
          . |      6,135       98.52      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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