Frequencies for c_1_c7_63 variable in hosp_rollup2552_96_2011 dataset :

  c_1_c7_63 |      Freq.     Percent        Cum.
------------+-----------------------------------
      19054 |          1        3.45        3.45
     173126 |          1        3.45        6.90
     491513 |          1        3.45       10.34
          . |         26       89.66      100.00
------------+-----------------------------------
      Total |         29      100.00

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