Year	% change from 1990
1991	-11.8511112820118
1992	-6.02792287019003
1993	4.67293410460374
1994	5.71947014306471
1995	-3.66298006073441
1996	-3.88226417604253
1997	0.452286478588104
1998	22.7213678340342
1999	7.97279629856726
2000	15.667694149583
2001	15.2989642722781
2002	17.3122210882728
2003	23.6885043160518
2004	20.0477644452112
2005	25.6277657338951
2006	24.2553173799809
2007	27.1577660872439
2008	28.8392907250094
2009	30.1416928733702
2010	32.2892222376957
2011	33.6121144600726
2012	34.9350066824496