Frequencies for b_1_c23_84 variable in hosp_rollup2552_96_2010 dataset :

 b_1_c23_84 |      Freq.     Percent        Cum.
------------+-----------------------------------
       4137 |          1        0.02        0.02
       5210 |          1        0.02        0.05
     111511 |          1        0.02        0.07
     111516 |          1        0.02        0.10
     168025 |          1        0.02        0.12
          . |      4,000       99.88      100.00
------------+-----------------------------------
      Total |      4,005      100.00

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