Year	% change from 1990
1991	-6.62356212628944
1992	-0.254744014317754
1993	10.0175907656752
1994	-14.8405792996567
1995	-5.11486509307684
1996	-2.36597114254692
1997	-0.696704795658054
1998	-24.6766791326409
1999	113.996016385881
2000	-38.2150815123822
2001	36.1447576767381
2002	30.0305300546616
2003	31.353100657567
2004	8.17057446896372
2005	42.162058124597
2006	5.13088489659941
2007	117.089325146116
2008	-15.2607411795676
2009	-26.5658275816833
2010	-21.628127440438
2011	-20.9739044152994
2012	-20.349094791629