Frequencies for g_c1thr4_1901 variable in hosp_rollup2552_96_2011 dataset :

g_c1thr4_19 |
         01 |      Freq.     Percent        Cum.
------------+-----------------------------------
         29 |          1        3.45        3.45
        863 |          1        3.45        6.90
     754494 |          2        6.90       13.79
   1.20e+08 |          1        3.45       17.24
          . |         24       82.76      100.00
------------+-----------------------------------
      Total |         29      100.00

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