Frequencies for s3_1_c2_20 variable in prds_hosp10_yr2010 dataset :

 s3_1_c2_20 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.04        0.04
          9 |          1        0.04        0.09
         18 |          1        0.04        0.13
         20 |          2        0.09        0.22
         22 |          1        0.04        0.26
         24 |          1        0.04        0.30
         25 |          2        0.09        0.39
         32 |          1        0.04        0.43
         34 |          1        0.04        0.47
         40 |          2        0.09        0.56
         44 |          3        0.13        0.69
         45 |          1        0.04        0.73
         46 |          1        0.04        0.77
         48 |          1        0.04        0.82
         50 |          3        0.13        0.95
         52 |          1        0.04        0.99
         53 |          1        0.04        1.03
         56 |          1        0.04        1.08
         59 |          1        0.04        1.12
         60 |          2        0.09        1.21
         74 |          1        0.04        1.25
         79 |          1        0.04        1.29
         80 |          1        0.04        1.33
         98 |          1        0.04        1.38
        104 |          1        0.04        1.42
        111 |          1        0.04        1.46
        119 |          1        0.04        1.51
        125 |          1        0.04        1.55
        146 |          1        0.04        1.59
        147 |          1        0.04        1.64
        150 |          1        0.04        1.68
        180 |          1        0.04        1.72
        188 |          1        0.04        1.76
        192 |          1        0.04        1.81
          . |      2,281       98.19      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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