Frequencies for first 10,000 rows of telconr variable in namcs2009 dataset :

    in last |
  normal wk |
   of prac, |
  telephone |
   consults |
    w/pats? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        445        4.45        4.45
         no |      4,100       41.00       45.45
        yes |      5,455       54.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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