Frequencies for first 10,000 rows of xtrcrprl_shck_lthtrptr_srvc_cd variable in Services: | ESWL Code | Freq. Percent Cum. ------------+----------------------------------- . | 8,569 85.69 85.69 0 | 1,228 12.28 97.97 1 | 46 0.46 98.43 2 | 107 1.07 99.50 3 | 50 0.50 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 9 Jan 2018