Frequencies for s3_1_c1_6 variable in hosp_rollup2552_96_2011 dataset :

  s3_1_c1_6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          2        6.90        6.90
          8 |          3       10.34       17.24
         10 |          2        6.90       24.14
         12 |          1        3.45       27.59
         13 |          1        3.45       31.03
         18 |          3       10.34       41.38
         20 |          1        3.45       44.83
         32 |          1        3.45       48.28
         38 |          1        3.45       51.72
          . |         14       48.28      100.00
------------+-----------------------------------
      Total |         29      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018