Frequencies for b_1_c23_70 variable in hosp_rollup2552_96_2007 dataset :

 b_1_c23_70 |      Freq.     Percent        Cum.
------------+-----------------------------------
     392231 |          2        0.03        0.03
          . |      6,232       99.97      100.00
------------+-----------------------------------
      Total |      6,234      100.00

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