Frequencies for adr_vndr_cd variable in hospc_rpt1984_99_1999 dataset :

  automated |
desk review |
vendor code |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         41       20.10       20.10
          3 |        154       75.49       95.59
          B |          1        0.49       96.08
          C |          8        3.92      100.00
------------+-----------------------------------
      Total |        204      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018