Frequencies for b_1_c0_6920 variable in hosp_rollup2552_96_2003 dataset :

b_1_c0_6920 |      Freq.     Percent        Cum.
------------+-----------------------------------
     413499 |          1        0.02        0.02
     454357 |          1        0.02        0.03
     977591 |          1        0.02        0.05
          . |      6,117       99.95      100.00
------------+-----------------------------------
      Total |      6,120      100.00

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