Frequencies for d_4_hos_c6_48 variable in hosp_rollup2552_96_2001 dataset :

d_4_hos_c6_ |
         48 |      Freq.     Percent        Cum.
------------+-----------------------------------
      23661 |          1        0.02        0.02
     341452 |          1        0.02        0.03
     398945 |          1        0.02        0.05
    2171318 |          1        0.02        0.07
          . |      6,061       99.93      100.00
------------+-----------------------------------
      Total |      6,065      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018