Frequencies for d_4_hos_c2_55 variable in prds_hosp10_yr2012 dataset :

d_4_hos_c2_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
        384 |          1        0.02        0.02
        840 |          1        0.02        0.03
       1660 |          1        0.02        0.05
       4746 |          1        0.02        0.06
       9344 |          1        0.02        0.08
      17906 |          1        0.02        0.10
      18341 |          1        0.02        0.11
      22494 |          1        0.02        0.13
      37347 |          1        0.02        0.14
      75100 |          1        0.02        0.16
          . |      6,217       99.84      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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