Frequencies for d4_hos_c2_67 variable in hosp_rollup2552_96_1998 dataset :

d4_hos_c2_6 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3988 |          1        0.02        0.02
       4439 |          1        0.02        0.03
      10780 |          1        0.02        0.05
      59132 |          1        0.02        0.06
      90505 |          1        0.02        0.08
     540625 |          1        0.02        0.10
          . |      6,218       99.90      100.00
------------+-----------------------------------
      Total |      6,224      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018