Frequencies for low variable in drg2010 dataset :

 Low Volume |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        991       99.20       99.20
          * |          8        0.80      100.00
------------+-----------------------------------
      Total |        999      100.00

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