Year	% change from 1990
1991	2.5391312650304
1992	-9.67793909665409
1993	-13.4236798606014
1994	-11.9986633010497
1995	-6.42868651425912
1996	-4.17658747918868
1997	-14.8140854651891
1998	-18.4207856686777
1999	-24.9013886153828
2000	-21.8735267966368
2001	-25.2164676536756
2002	-26.3550487238702
2003	-16.2540205398116
2004	-12.1275592712604
2005	-1.80872076716974
2006	4.78764985648388
2007	5.11645392864175
2008	7.81431819402425
2009	5.86476664458726
2010	8.20279632646483
2011	9.2848242897295
2012	10.3668522529941