Frequencies for d4_hos_c2_67 variable in hosp_rollup2552_96_2001 dataset :

d4_hos_c2_6 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
         51 |          1        0.02        0.02
       3397 |          1        0.02        0.03
      21033 |          1        0.02        0.05
     151949 |          1        0.02        0.07
     188708 |          1        0.02        0.08
          . |      6,060       99.92      100.00
------------+-----------------------------------
      Total |      6,065      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018