Year	% change from 1990
1991	0.659200810043714
1992	-2.1284453298518
1993	-1.59460017095528
1994	-0.761843334911105
1995	5.36636619454574
1996	3.93751983063984
1997	4.88297538486613
1998	18.7622559856023
1999	75.2673126903958
2000	57.2608316471871
2001	32.6196903732755
2002	22.9749340712499
2003	15.2120729802222
2004	20.0395659192141
2005	20.6398166305164
2006	76.297205591937
2007	23.569289772678
2008	36.8219655003216
2009	75.4164217636829
2010	204.338553884725
2011	207.381939423572
2012	210.425324962419