Frequencies for c_1_c2_49 variable in hosp_rollup2552_96_2004 dataset :

  c_1_c2_49 |      Freq.     Percent        Cum.
------------+-----------------------------------
        269 |          1        0.02        0.02
       2531 |          1        0.02        0.03
      16953 |          1        0.02        0.05
          . |      6,200       99.95      100.00
------------+-----------------------------------
      Total |      6,203      100.00

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