Frequencies for e_b_sub2_c1_4 variable in hosp_rollup2552_96_2009 dataset :

e_b_sub2_c1 |
         _4 |      Freq.     Percent        Cum.
------------+-----------------------------------
       2218 |          1        0.02        0.02
       6055 |          1        0.02        0.03
       7995 |          1        0.02        0.05
      11694 |          1        0.02        0.06
          . |      6,356       99.94      100.00
------------+-----------------------------------
      Total |      6,360      100.00

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