Frequencies for e_b_sub1_c1_12 variable in hosp_rollup2552_96_1997 dataset :

e_b_sub1_c1 |
        _12 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3697 |          1        0.02        0.02
       4499 |          1        0.02        0.03
      11500 |          1        0.02        0.05
      36910 |          1        0.02        0.06
          . |      6,311       99.94      100.00
------------+-----------------------------------
      Total |      6,315      100.00

by Jean Roth , jroth@nber.org , 5 Sep 2018