JIFs for 2005: http://gezhi.org/wp-content/uploads/2006/06/2005%20SCI.zip (Excel file)
http://vrossi.free.fr/DONNEES/IF2005.xls (Excel file)
JIFs for 2003: http://molbiol.edu.ru/eng/journals/index.html
http://www.research.hbi.ir/impact/Journal%20Citation%20Report%20-%202003.htm
JIFs for 2002: http://www1.mengr.tamu.edu/NTFG/papers/Journal%20citation%20factor%202002.pdf#search=%22impact%20factor%202002%22 (pdf file)
JIFs for 2001: http://www.genebee.msu.su/journals/if01a.html
JIFs for 2000: http://www.fisio.icb.usp.br/posgraduacao/producao/impacto2000/Impacfactor2000.html
JIFs until 1999: http://www.ldeo.columbia.edu/~dery/if99.htm
A guy is averaging JIFs over the years at: http://alpha2.infim.ro/~ltpd/Jo_rankingb.htm
Not really a JIF list, but almost more useful (2000 data): http://www.submithelp.de/
I have also found 1997 lists of most cited: chemists
-if the links do not work
-if you have more recent data or websites to provide
-NOT to request JIF lists since I don't have anything more than this