Frequencies for first 10,000 rows of dme variable in nhamcsopd2011 dataset :

    Durable |
    medical |
  equipment |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,867       98.67       98.67
        Yes |        133        1.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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