Frequencies for first 10,000 rows of adrg2cl2 variable in nhamcsed2002 dataset :

   adrg2cl2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,999       99.99       99.99
       1724 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016