Frequencies for s2_1_c1_21 variable in prds_hosp10_yr2015 dataset :

 s2_1_c1_21 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        628       10.04       10.04
         10 |        245        3.91       13.95
         11 |        350        5.59       19.54
         12 |         69        1.10       20.65
         13 |         69        1.10       21.75
          2 |      2,424       38.73       60.48
          3 |         27        0.43       60.91
          4 |      1,576       25.18       86.10
          5 |        197        3.15       89.25
          6 |        107        1.71       90.96
          7 |         43        0.69       91.64
          8 |         99        1.58       93.22
          9 |        424        6.78      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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