Frequencies for d_4_hos_c2_64 variable in prds_hosp10_yr2012 dataset :

d_4_hos_c2_ |
         64 |      Freq.     Percent        Cum.
------------+-----------------------------------
        962 |          1        0.02        0.02
       5708 |          1        0.02        0.03
       7596 |          1        0.02        0.05
      14563 |          1        0.02        0.06
      14573 |          1        0.02        0.08
          . |      6,222       99.92      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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