Year	% change from 1990
1991	-15.0056835611127
1992	21.1692917251825
1993	-17.1646548959023
1994	-11.4879639641161
1995	-8.72554592904173
1996	-17.9139809423367
1997	-20.1889312951453
1998	87.6673043030475
1999	51.416837599749
2000	51.8622393868318
2001	32.5736569094593
2002	38.6931115916668
2003	64.2342161066802
2004	46.7113166310679
2005	77.1608545069415
2006	46.2886453904053
2007	46.9303435238637
2008	47.0098430909454
2009	28.9151270212278
2010	39.3886192927034
2011	64.8981868322047
2012	64.8981868322047