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

DAWN Overall Drug Mentions
Year	Total Drug Mentions	Single Drug	% of Total Mentions	Multi-Drug	% of Total Mentions
1995	899,977	243,890	27	656,087	73
1996	906,078	241,681	27	664,397	73
1997	941,627	241,000	26	700,628	74
1998	981,286	239,704	24	741,582	76
1999	1,013,688	239,582	24	774,106	76
2000	1,098,915	263,377	24	835,538	76
2001	1,165,148	279,552	24	885,596	76
2002	1,209,938	305,075	25	904,863	75

Distribution by numbers