Frequencies for first 10,000 rows of extracoverageingap variable in ma2014 dataset : Extra | Coverage in | Gap | Freq. Percent Cum. ------------+----------------------------------- | 8,822 88.22 88.22 Y | 1,178 11.78 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016