Frequencies for d_4_hos_c6_55 variable in hosp_rollup2552_96_1997 dataset :

d_4_hos_c6_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
    2029708 |          1        0.02        0.02
    2624061 |          1        0.02        0.03
    4053657 |          1        0.02        0.05
   1.12e+07 |          1        0.02        0.06
   2.92e+07 |          1        0.02        0.08
          . |      6,310       99.92      100.00
------------+-----------------------------------
      Total |      6,315      100.00

by Jean Roth , jroth@nber.org , 5 Sep 2018