Year	annual %
1993	10.003970559748794
1994	17.596282660506432
1995	-2.6115837847309393
1996	4.102364069425192
1997	6.614285728563246
1998	0.40589002817019093
1999	-1.4178322414277318
2000	-4.615491589049213
2001	5.705289623384971
2002	-0.45165340605745996
2003	-6.543073200475689
2004	-2.577856846432141
2005	0.08982648535831572
2006	-2.6320896954886024
2007	-0.17022923402520007
2008	-12.172514806044504
2009	1.2455079059142236
2010	0.12159163950029495
2011	6.652182534977584