Frequencies for c_1_c7_54 variable in hosp_rollup2552_96_2011 dataset :

  c_1_c7_54 |      Freq.     Percent        Cum.
------------+-----------------------------------
      51599 |          1        3.45        3.45
     147165 |          1        3.45        6.90
     401408 |          1        3.45       10.34
     562890 |          1        3.45       13.79
          . |         25       86.21      100.00
------------+-----------------------------------
      Total |         29      100.00

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