Frequencies for d4_hos_c2_66 variable in hosp_rollup2552_96_2007 dataset :

d4_hos_c2_6 |
          6 |      Freq.     Percent        Cum.
------------+-----------------------------------
        438 |          1        0.02        0.02
        528 |          1        0.02        0.03
       1188 |          1        0.02        0.05
       1790 |          1        0.02        0.06
       3087 |          1        0.02        0.08
      21806 |          1        0.02        0.10
      51222 |          1        0.02        0.11
          . |      6,227       99.89      100.00
------------+-----------------------------------
      Total |      6,234      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018