Frequencies for first 10,000 rows of prov0015 variable in pos1995 dataset : acute/respi | te care | indicator | Freq. Percent Cum. ------------+----------------------------------- | 9,730 97.30 97.30 2 | 1 0.01 97.31 A | 48 0.48 97.79 B | 29 0.29 98.08 C | 192 1.92 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016