Frequencies for d_4_hos_c2_70 variable in prds_hosp10_yr2011 dataset :

d_4_hos_c2_ |
         70 |      Freq.     Percent        Cum.
------------+-----------------------------------
        141 |          1        0.02        0.02
        237 |          1        0.02        0.03
        857 |          1        0.02        0.05
       1731 |          1        0.02        0.07
       3103 |          1        0.02        0.08
       5727 |          1        0.02        0.10
       9638 |          1        0.02        0.11
          . |      6,143       99.89      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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