Frequencies for d_4_hos_c2_55 variable in prds_hosp10_yr2011 dataset :

d_4_hos_c2_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
        753 |          1        0.02        0.02
       3587 |          1        0.02        0.03
      10683 |          1        0.02        0.05
      14718 |          1        0.02        0.07
      18799 |          1        0.02        0.08
      19803 |          1        0.02        0.10
      21750 |          1        0.02        0.11
      21865 |          1        0.02        0.13
      25026 |          1        0.02        0.15
      31999 |          1        0.02        0.16
          . |      6,140       99.84      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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