Frequencies for first 10,000 rows of consultin variable in namcs2012 dataset :

   When seeing patient |
  referred by provider |
          outside your |
  office/group, do you |
                 recei |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
               Unknown |        122        1.22        1.22
        Does not apply |        777        7.77        8.99
        Yes, routinely |      5,432       54.32       63.31
Yes, but NOT routinely |      1,957       19.57       82.88
                    No |      1,712       17.12      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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