Frequencies for s3_1_c2_9 variable in prds_hosp10_yr2010 dataset :

  s3_1_c2_9 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          2        0.09        0.09
          3 |          2        0.09        0.17
          4 |          7        0.30        0.47
          5 |          1        0.04        0.52
          6 |          9        0.39        0.90
          7 |          7        0.30        1.21
          8 |         23        0.99        2.20
          9 |          9        0.39        2.58
         10 |         19        0.82        3.40
         11 |          5        0.22        3.62
         12 |         33        1.42        5.04
         13 |          4        0.17        5.21
         14 |         13        0.56        5.77
         15 |          7        0.30        6.07
         16 |         19        0.82        6.89
         17 |          5        0.22        7.10
         18 |         10        0.43        7.53
         19 |          5        0.22        7.75
         20 |         11        0.47        8.22
         21 |          2        0.09        8.31
         22 |          4        0.17        8.48
         23 |          1        0.04        8.52
         24 |          9        0.39        8.91
         25 |          4        0.17        9.08
         26 |          1        0.04        9.13
         27 |          1        0.04        9.17
         28 |          5        0.22        9.38
         29 |          1        0.04        9.43
         31 |          4        0.17        9.60
         32 |          1        0.04        9.64
         34 |          2        0.09        9.73
         36 |          1        0.04        9.77
         37 |          1        0.04        9.81
         38 |          2        0.09        9.90
         39 |          1        0.04        9.94
         40 |          1        0.04        9.99
         42 |          1        0.04       10.03
         48 |          1        0.04       10.07
         50 |          1        0.04       10.12
         52 |          1        0.04       10.16
         56 |          1        0.04       10.20
         58 |          1        0.04       10.25
         60 |          1        0.04       10.29
         61 |          1        0.04       10.33
         63 |          1        0.04       10.37
         67 |          1        0.04       10.42
         70 |          2        0.09       10.50
         75 |          1        0.04       10.55
         87 |          1        0.04       10.59
         98 |          1        0.04       10.63
        119 |          1        0.04       10.68
        138 |          1        0.04       10.72
          . |      2,074       89.28      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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