Frequencies for first 10,000 rows of diagscrn variable in nhamcsed2014 dataset :

    Were diagnostic services ordered or |
                              provided? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                     No |      2,655       26.55       26.55
                                    Yes |      7,281       72.81       99.36
Entire item blank, including 'None' box |         64        0.64      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017