Frequencies for b_1_c22_71 variable in hosp_rollup2552_96_2004 dataset :

 b_1_c22_71 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3418 |          1        0.02        0.02
          . |      6,202       99.98      100.00
------------+-----------------------------------
      Total |      6,203      100.00

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