Frequencies for low variable in drg2003 dataset :

 Low Volume |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        484       91.84       91.84
          * |         43        8.16      100.00
------------+-----------------------------------
      Total |        527      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016