Frequencies for d_4_hos_c8_67 variable in hosp_rollup2552_96_2002 dataset :

d_4_hos_c8_ |
         67 |      Freq.     Percent        Cum.
------------+-----------------------------------
      67801 |          1        0.02        0.02
      84405 |          1        0.02        0.03
     510761 |          1        0.02        0.05
          . |      6,100       99.95      100.00
------------+-----------------------------------
      Total |      6,103      100.00

by Jean Roth , jroth@nber.org , 20 Jan 2017