Frequencies for s2_1_c1_21 variable in prds_hosp10_yr2011 dataset :

 s2_1_c1_21 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        624       10.15       10.15
         10 |        285        4.63       14.78
         11 |        354        5.76       20.54
         12 |         80        1.30       21.84
         13 |         75        1.22       23.06
          2 |      2,413       39.24       62.29
          3 |         13        0.21       62.50
          4 |      1,441       23.43       85.93
          5 |        172        2.80       88.73
          6 |        127        2.07       90.80
          7 |         13        0.21       91.01
          8 |        103        1.67       92.68
          9 |        450        7.32      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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