Frequencies for d4_hos_c3_67 variable in hosp_rollup2552_96_2002 dataset :

d4_hos_c3_6 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
        289 |          1        0.02        0.02
       3944 |          1        0.02        0.03
       9027 |          1        0.02        0.05
      22383 |          1        0.02        0.07
     309713 |          1        0.02        0.08
          . |      6,119       99.92      100.00
------------+-----------------------------------
      Total |      6,124      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018