Frequencies for a_c2_7 variable in hosp_rollup2552_96_2011 dataset :

     a_c2_7 |      Freq.     Percent        Cum.
------------+-----------------------------------
      30182 |          1        3.45        3.45
      36862 |          1        3.45        6.90
      36967 |          1        3.45       10.34
      78531 |          1        3.45       13.79
     192220 |          1        3.45       17.24
     357445 |          1        3.45       20.69
     464986 |          1        3.45       24.14
          . |         22       75.86      100.00
------------+-----------------------------------
      Total |         29      100.00

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