Frequencies for first 10,000 rows of prov0015 variable in pos1999 dataset : acute/respi | te care | indicator | Freq. Percent Cum. ------------+----------------------------------- | 9,593 95.93 95.93 2 | 1 0.01 95.94 A | 86 0.86 96.80 B | 43 0.43 97.23 C | 277 2.77 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016