Year	annual %
1993	-9.11969308354557
1994	23.7199622318351
1995	-10.1348995634694
1996	10.0754938622359
1997	17.6440904236816
1998	-25.2241493041353
1999	-25.0337461907087
2000	-25.2142924089551
2001	7.40941732355529
2002	10.5365849353938
2003	-0.719013593640454
2004	10.2190337149962
2005	-11.4500385640888
2006	-8.56833464578666
2007	-8.9989165856406
2008	-14.4823358923075
2009	9.27974154954643
2010	-7.63845257748218
2011	-18.7583008923039