Year	% change from 1990
1991	-1.33173985509289
1992	1.89426088710172
1993	7.63131600712943
1994	-4.50145538061446
1995	0.947045937467261
1996	4.31155701681318
1997	6.74029936005636
1998	31.8733928022921
1999	8.99112203768573
2000	-5.63975754005851
2001	-6.50458179389711
2002	3.09859689780265
2003	10.6057797871779
2004	22.9022096392274
2005	40.0725227640768
2006	12.2863970352262
2007	51.4355939128603
2008	11.0979658360086
2009	-0.109270596458555
2010	50.1131522312046
2011	68.37751718748
2012	70.7367926435898