Frequencies for first 10,000 rows of age_cod variable in demo2016q3 dataset : Unit | abbreviatio | n for | patient's | age | Freq. Percent Cum. ------------+----------------------------------- | 2,557 25.57 25.57 DEC | 26 0.26 25.83 DY | 168 1.68 27.51 HR | 6 0.06 27.57 MON | 67 0.67 28.24 WK | 10 0.10 28.34 YR | 7,166 71.66 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 6 Apr 2017