Frequencies for s3_1_c2_10 variable in prds_hosp10_yr2010 dataset :

 s3_1_c2_10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.04        0.04
          3 |          1        0.04        0.09
          4 |          3        0.13        0.22
          5 |          1        0.04        0.26
          6 |          2        0.09        0.34
          7 |          2        0.09        0.43
          8 |          5        0.22        0.65
          9 |          6        0.26        0.90
         10 |          9        0.39        1.29
         11 |          2        0.09        1.38
         12 |          2        0.09        1.46
         13 |          2        0.09        1.55
         14 |          3        0.13        1.68
         15 |          2        0.09        1.76
         16 |          7        0.30        2.07
         18 |          2        0.09        2.15
         19 |          1        0.04        2.20
         21 |          1        0.04        2.24
         25 |          2        0.09        2.32
         31 |          1        0.04        2.37
         32 |          1        0.04        2.41
         40 |          1        0.04        2.45
          . |      2,266       97.55      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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