Frequencies for first 10,000 rows of telconr variable in namcs2010 dataset :

during last |
normal week |
         of |
  practice, |
  telephone |
   consults |
    w/pats? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        397        3.97        3.97
         no |      4,118       41.18       45.15
        yes |      5,485       54.85      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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