Frequencies for monthlyconsolidatedpremiumi variable in mmp2017 dataset : Monthly | Consolidate | d Premium | (Includes | Part C + D) | Freq. Percent Cum. ------------+----------------------------------- 0 | 645 100.00 100.00 ------------+----------------------------------- Total | 645 100.00 by Jean Roth , jroth@nber.org , 6 Dec 2016