Year	% change from 1990
1991	10.7210049227593
1992	11.4600774400019
1993	0.817658658634612
1994	9.56823572253902
1995	4.20136994605951
1996	3.83411272175325
1997	48.2958699259364
1998	8.84987310033052
1999	3.21247796127593
2000	-0.365592624449518
2001	3.96621151031644
2002	13.9393020099265
2003	10.052456000128
2004	21.364547594825
2005	29.533974128682
2006	46.9482708375478
2007	33.0667873124952
2008	38.8207330898206
2009	47.5301492041354
2010	46.9500754039645
2011	50.844012419787
2012	54.7380248225635