Frequencies for a_c1_52 variable in hosp_rollup2552_96_2011 dataset :

    a_c1_52 |      Freq.     Percent        Cum.
------------+-----------------------------------
        417 |          1        3.45        3.45
       2850 |          1        3.45        6.90
      15858 |          1        3.45       10.34
      18220 |          1        3.45       13.79
      26756 |          1        3.45       17.24
      29310 |          1        3.45       20.69
      67731 |          1        3.45       24.14
      83814 |          1        3.45       27.59
      96230 |          1        3.45       31.03
          . |         20       68.97      100.00
------------+-----------------------------------
      Total |         29      100.00

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