Frequencies for low variable in drg2005 dataset :

 Low Volume |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        500       92.08       92.08
          * |         43        7.92      100.00
------------+-----------------------------------
      Total |        543      100.00

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