Frequencies for s3_1_c1_21 variable in hosp_rollup2552_96_2007 dataset :

 s3_1_c1_21 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         34        0.55        0.55
          2 |         11        0.18        0.72
          3 |          4        0.06        0.79
          4 |         10        0.16        0.95
          5 |          2        0.03        0.98
          6 |         12        0.19        1.17
          7 |          4        0.06        1.24
          8 |          4        0.06        1.30
          9 |          2        0.03        1.33
         10 |         10        0.16        1.49
         11 |          1        0.02        1.51
         12 |          8        0.13        1.64
         13 |          1        0.02        1.65
         15 |          5        0.08        1.73
         16 |          2        0.03        1.76
         17 |          1        0.02        1.78
         18 |          2        0.03        1.81
         20 |          6        0.10        1.91
         21 |          3        0.05        1.96
         24 |          2        0.03        1.99
         25 |          4        0.06        2.05
         27 |          1        0.02        2.07
         28 |          1        0.02        2.09
         31 |          1        0.02        2.10
         34 |          2        0.03        2.13
         38 |          1        0.02        2.15
         40 |          1        0.02        2.17
         43 |          1        0.02        2.18
         45 |          1        0.02        2.20
         80 |          1        0.02        2.21
        129 |          1        0.02        2.23
          . |      6,095       97.77      100.00
------------+-----------------------------------
      Total |      6,234      100.00

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