Frequencies for a_c2_6920 variable in hosp_rollup2552_96_2003 dataset :

  a_c2_6920 |      Freq.     Percent        Cum.
------------+-----------------------------------
      22810 |          1        0.02        0.02
     306224 |          1        0.02        0.03
     311227 |          1        0.02        0.05
     413499 |          1        0.02        0.07
          . |      6,116       99.93      100.00
------------+-----------------------------------
      Total |      6,120      100.00

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