Frequencies for first 10,000 rows of services variable in namcs2014 dataset :

     Were any services ordered or |
provided at this visit? (Based on |
                SERVICES item onl |      Freq.     Percent        Cum.
----------------------------------+-----------------------------------
        No services were reported |      1,288       12.88       12.88
At least one service was reported |      8,393       83.93       96.81
                Entire item blank |        319        3.19      100.00
----------------------------------+-----------------------------------
                            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017