Frequencies for d4_hos_c3_66 variable in hosp_rollup2552_96_2003 dataset :

d4_hos_c3_6 |
          6 |      Freq.     Percent        Cum.
------------+-----------------------------------
        373 |          1        0.02        0.02
       1200 |          1        0.02        0.03
       2844 |          1        0.02        0.05
      17987 |          1        0.02        0.07
          . |      6,116       99.93      100.00
------------+-----------------------------------
      Total |      6,120      100.00

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