Frequencies for s2_1_c1_21 variable in prds_hosp10_yr2010 dataset :

 s2_1_c1_21 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        306       13.17       13.17
         10 |        219        9.43       22.60
         11 |        139        5.98       28.58
         12 |         48        2.07       30.65
         13 |         36        1.55       32.20
          2 |        844       36.33       68.53
          3 |          9        0.39       68.92
          4 |        443       19.07       87.99
          5 |         24        1.03       89.02
          6 |         44        1.89       90.92
          8 |         45        1.94       92.85
          9 |        166        7.15      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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