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

what year does |
 your practice |
     expect to |
 apply for the |
meaningful use |
      payments |      Freq.     Percent        Cum.
---------------+-----------------------------------
       unknown |        467        4.67        4.67
not applicable |      5,460       54.60       59.27
          2011 |      3,572       35.72       94.99
          2012 |        469        4.69       99.68
    after 2012 |         32        0.32      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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