Frequencies for s3_1_c1_21 variable in hosp_rollup2552_96_1998 dataset :

 s3_1_c1_21 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         28        0.45        0.45
          2 |         18        0.29        0.74
          3 |          6        0.10        0.84
          4 |          8        0.13        0.96
          5 |          2        0.03        1.00
          6 |          7        0.11        1.11
          7 |          1        0.02        1.12
          8 |          3        0.05        1.17
          9 |          3        0.05        1.22
         10 |          3        0.05        1.27
         11 |          3        0.05        1.32
         12 |          3        0.05        1.37
         13 |          1        0.02        1.38
         16 |          1        0.02        1.40
         18 |          1        0.02        1.41
         19 |          1        0.02        1.43
         20 |          4        0.06        1.49
         21 |          1        0.02        1.51
         26 |          1        0.02        1.53
          . |      6,129       98.47      100.00
------------+-----------------------------------
      Total |      6,224      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018