Year	% change from 1990
1991	-2.56188064602814
1992	-9.76523887486075
1993	-7.99272194343525
1994	-2.90411977304017
1995	1.19422632767117
1996	1.86438049509252
1997	3.85542853287022
1998	7.29770779100092
1999	8.79723841080771
2000	4.41193705451794
2001	0.841688064010904
2002	1.3270496761691
2003	3.59712145049726
2004	1.64987433869479
2005	-0.152711336508315
2006	-4.89137962262542
2007	-4.90144199751164
2008	-7.9639553893488
2009	-8.87513303051504
2010	-13.8851302959167
2011	-17.0880376692649
2012	-20.2909450426135