DAWN ED Drug Episodes -- Drug Use Concomitance (%)

DAWN Overall Drug Episodes & Drug Use Concomitance
Year	Total ED Visits	Total Drug Episodes	Single Drug	% of Total Episodes	Multi-drug	% of Total Episodes
1995	88,548,056	513,429	243,890	48	269,539	52
1996	91,189,270	513,841	241,681	47	272,160	53
1997	89,719,807	526,671	241,000	46	285,671	54
1998	89,682,719	542,250	239,704	44	302,546	56
1999	91,099,635	554,570	239,582	43	314,988	57
2000	96,163,379	601,392	263,377	44	338,015	56
2001	100,517,664	638,345	279,552	44	358,793	56
2002	102,809,601	670,307	305,075	46	365,232	54