Year	% change from 1990
1991	-13.257407241686
1992	17.4428425390808
1993	-15.0395078866034
1994	-8.24202108434507
1995	-4.48971974458131
1996	-10.8030136375618
1997	-12.1203137929253
1998	63.4556729927157
1999	38.944605511585
2000	41.6074040576686
2001	32.0413222397084
2002	32.9814828493852
2003	47.3489278852144
2004	36.2185874501183
2005	55.7410337985443
2006	47.313800378141
2007	60.4752601569526
2008	40.0561323971825
2009	26.059000325306
2010	34.2646999056894
2011	34.7274532888995
2012	35.5281948553635