Frequencies for d_4_hos_c2_88 variable in prds_hosp10_yr2016 dataset :

d_4_hos_c2_ |
         88 |      Freq.     Percent        Cum.
------------+-----------------------------------
      22215 |          1        0.02        0.02
      24639 |          1        0.02        0.03
      43885 |          1        0.02        0.05
     176396 |          1        0.02        0.06
          . |      6,178       99.94      100.00
------------+-----------------------------------
      Total |      6,182      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018