Frequencies for d_4_hos_c6_67 variable in hosp_rollup2552_96_2006 dataset :

d_4_hos_c6_ |
         67 |      Freq.     Percent        Cum.
------------+-----------------------------------
        170 |          1        0.02        0.02
        196 |          1        0.02        0.03
       1432 |          1        0.02        0.05
       9197 |          1        0.02        0.06
    1405450 |          1        0.02        0.08
          . |      6,167       99.92      100.00
------------+-----------------------------------
      Total |      6,172      100.00

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