Year	% change from 1990
1991	0.731893310002141
1992	3.81817111028031
1993	-2.58943576132623
1994	-0.641064353447951
1995	-1.45871248867506
1996	-1.55214984000953
1997	11.6869466809617
1998	1.36884637599743
1999	-1.57286950547705
2000	-1.71047922564963
2001	0.47922572157939
2002	4.5755884988492
2003	5.43888639287504
2004	10.6269423309734
2005	14.8722415189642
2006	21.5301356879521
2007	22.7668026330728
2008	21.9160940915853
2009	24.7378057228271
2010	25.5720178022195
2011	27.851704132026
2012	29.8975669749658