Frequencies for d_2_hos_c8_39 variable in hosp_rollup2552_96_2011 dataset :

d_2_hos_c8_ |
         39 |      Freq.     Percent        Cum.
------------+-----------------------------------
        197 |          1        3.45        3.45
        429 |          1        3.45        6.90
        749 |          1        3.45       10.34
       1383 |          1        3.45       13.79
       2766 |          1        3.45       17.24
       2990 |          1        3.45       20.69
          . |         23       79.31      100.00
------------+-----------------------------------
      Total |         29      100.00

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