Frequencies for s3_1_c1_21 variable in hosp_rollup2552_96_1997 dataset :

 s3_1_c1_21 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         30        0.48        0.48
          2 |         16        0.25        0.73
          3 |          4        0.06        0.79
          4 |         10        0.16        0.95
          5 |          3        0.05        1.00
          6 |          6        0.10        1.09
          7 |          1        0.02        1.11
          8 |          4        0.06        1.17
          9 |          4        0.06        1.24
         10 |          3        0.05        1.28
         11 |          2        0.03        1.31
         12 |          4        0.06        1.38
         13 |          1        0.02        1.39
         14 |          1        0.02        1.41
         15 |          1        0.02        1.43
         16 |          1        0.02        1.44
         18 |          2        0.03        1.47
         20 |          3        0.05        1.52
         26 |          1        0.02        1.54
          . |      6,218       98.46      100.00
------------+-----------------------------------
      Total |      6,315      100.00

by Jean Roth , jroth@nber.org , 5 Sep 2018