Frequencies for first 10,000 rows of pay variable in natlterr2015 dataset : Payment | Source for | Delivery 1 | Medicaid | Freq. Percent Cum. ------------+----------------------------------- 1 | 4,835 48.35 48.35 2 | 2,158 21.58 69.93 3 | 949 9.49 79.42 5 | 385 3.85 83.27 8 | 440 4.40 87.67 9 | 155 1.55 89.22 . | 1,078 10.78 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Oct 2016