Frequencies for b_1_c0_6920 variable in hosp_rollup2552_96_2004 dataset :

b_1_c0_6920 |      Freq.     Percent        Cum.
------------+-----------------------------------
     502865 |          1        0.02        0.02
     519773 |          1        0.02        0.03
    1020027 |          2        0.03        0.06
    1590021 |          1        0.02        0.08
          . |      6,198       99.92      100.00
------------+-----------------------------------
      Total |      6,203      100.00

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