Frequencies for first 10,000 rows of hospital variable in person dataset : TAKEN TO | HOSPITAL | Freq. Percent Cum. ------------+----------------------------------- 0 | 4,475 44.75 44.75 1 | 5,192 51.92 96.67 9 | 333 3.33 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016