Frequencies for s5_c1_2 variable in prds_hosp10_yr2010 dataset :

    s5_c1_2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          2        0.09        0.09
       2.84 |          1        0.04        0.13
       2.87 |          1        0.04        0.17
          3 |        110        4.74        4.91
        3.5 |          1        0.04        4.95
          4 |          1        0.04        4.99
          . |      2,207       95.01      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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