Frequencies for b_1_c22_99 variable in prds_hosp10_yr2017 dataset :

       CMHC |
    B000001 |
      09900 |
      02200 |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      3,749      100.00      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018