Frequencies for s3_1_c2_20 variable in prds_hosp10_yr2017 dataset :

         NF |
    S300001 |
      02000 |
      00200 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.03        0.03
          9 |          2        0.05        0.08
         12 |          2        0.05        0.13
         16 |          2        0.05        0.19
         23 |          1        0.03        0.21
         26 |          2        0.05        0.27
         30 |          2        0.05        0.32
         32 |          2        0.05        0.37
         35 |          1        0.03        0.40
         37 |          1        0.03        0.43
         38 |          1        0.03        0.45
         45 |          1        0.03        0.48
         50 |          1        0.03        0.51
         56 |          2        0.05        0.56
         60 |          3        0.08        0.64
         66 |          1        0.03        0.67
         68 |          1        0.03        0.69
         75 |          1        0.03        0.72
         77 |          1        0.03        0.75
        103 |          1        0.03        0.77
        116 |          1        0.03        0.80
          . |      3,719       99.20      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018