Year	% change from 1990
1991	-47.7692972014098
1992	-43.4273977079103
1993	-39.7059029479728
1994	-38.1887356160866
1995	-37.9534579744649
1996	-40.8911607497141
1997	-23.4712788553556
1998	-9.98342786452861
1999	-0.208668860724037
2000	4.23313026632122
2001	4.29568424246669
2002	-3.16130989893332
2003	-12.747006512149
2004	-0.648413976612294
2005	-3.56417617813879
2006	-0.41453679714305
2007	-0.83234133930864
2008	5.86186774969073
2009	7.30247648390636
2010	11.4473776346194
2011	12.5618514109656
2012	13.6763251873118