Year	% change from 1990
1991	-1.38785608402653
1992	-1.60873527228946
1993	0.208955787142706
1994	-3.23676473456423
1995	1.15940341349161
1996	3.94236867395796
1997	1.71104763775887
1998	16.6559533007643
1999	1.45336326584518
2000	0.946526865505115
2001	1.0047012105715
2002	9.48593172451087
2003	20.661694719568
2004	22.8392941003891
2005	33.2531189306804
2006	35.7521495360165
2007	48.9457629655898
2008	41.3136505793012
2009	38.8809679420788
2010	57.7112291490965
2011	66.768271955011
2012	70.8765839311116