Frequencies for b_1_c23_48 variable in hosp_rollup2552_96_2006 dataset :

 b_1_c23_48 |      Freq.     Percent        Cum.
------------+-----------------------------------
        649 |          1        0.02        0.02
      45404 |          2        0.03        0.05
          . |      6,189       99.95      100.00
------------+-----------------------------------
      Total |      6,192      100.00

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