Year	% change from 1990
1991	9.45105443382748
1992	9.8712405333556
1993	0.305100840765915
1994	8.43067934823287
1995	3.08287896086341
1996	2.61258992359967
1997	41.3339516947381
1998	6.91835804782717
1999	2.10571880578465
2000	-0.713436645132226
2001	3.4749751588564
2002	11.8475334999735
2003	8.10999301386519
2004	18.0039337278208
2005	24.8818618177924
2006	39.8299223367468
2007	28.5838791700181
2008	32.8760259732618
2009	40.6893341936163
2010	39.9443715304072
2011	43.4034312752911
2012	46.8630218019348