Year	% change from 1990
1991	3.50999611687042
1992	6.04638574773777
1993	0.27581986985632
1994	2.22350352423426
1995	0.537401597966647
1996	-1.2779026393514
1997	1.74105409317158
1998	-0.568701975689256
1999	-0.746502241624791
2000	-1.66998105503453
2001	-0.34571620206395
2002	0.871350740736387
2003	-0.591647741312973
2004	4.3425155619359
2005	5.37295694433004
2006	7.35947189437889
2007	12.2040878763988
2008	14.9187484555735
2009	16.5557817445842
2010	22.8610427967947
2011	24.0896532247626
2012	25.3182636527306