Frequencies for first 10,000 rows of telconr variable in namcs2008 dataset :

    in last |
  normal wk |
   of prac, |
  telephone |
   consults |
    w/pats? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        741        7.41        7.41
         no |      3,249       32.49       39.90
        yes |      6,010       60.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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