Frequencies for b_1_c22_70 variable in hosp_rollup2552_96_2006 dataset :

 b_1_c22_70 |      Freq.     Percent        Cum.
------------+-----------------------------------
     347397 |          1        0.02        0.02
     437197 |          1        0.02        0.03
          . |      6,190       99.97      100.00
------------+-----------------------------------
      Total |      6,192      100.00

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