Frequencies for a_c1_6920 variable in hosp_rollup2552_96_2004 dataset :

  a_c1_6920 |      Freq.     Percent        Cum.
------------+-----------------------------------
     211744 |          1        0.02        0.02
     770649 |          2        0.03        0.05
          . |      6,200       99.95      100.00
------------+-----------------------------------
      Total |      6,203      100.00

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