Table 1. Trends in publications (integer count) and citations downloaded from Web of Knowledge by year using the cardiovascular bibliometric filter.

Year	Publications Downloaded from Web of Knowledge	Publications After Duplicates Removed	Citations Downloaded from Web of Knowledge	Final Matched, Complete Records
1999	40 661	40 661	40 254	37 849
2000	41 603	40 507	41 408	39 876
2001	41 306	40 338	40 171	38 996
2002	41 891	41 792	41 214	37 881
2003	43 490	43 466	42 489	40 034
2004	44 656	44 656	43 676	41 685
2005	46 864	46 863	45 440	43 091
2006	47 929	47 929	47 680	45 257
2007	52 437	52 432	52 437	51 584
2008	55 284	55 284	55 283	54 459
Total	456 121	453 928	450 052	430 712