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

    does practice use electronic |
  medical or health records (not |
                   inc billing)? |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                         unknown |         90        0.90        0.90
             yes, all electronic |      3,814       38.14       39.04
yes, part paper, part electronic |      1,434       14.34       53.38
                              no |      4,662       46.62      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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