Year	% change from 1990
1991	-4.15417932615781
1992	0.238854083987561
1993	10.0850899685624
1994	-20.6005822849476
1995	-13.2824762307011
1996	-10.0265075947394
1997	-10.1488186715299
1998	40.5043372323197
1999	-14.1546354685003
2000	-54.5683695187321
2001	-59.4171584298012
2002	-31.9851521852961
2003	-25.4090792191194
2004	-4.04612086112226
2005	39.0182694680242
2006	-27.978502766962
2007	69.5481726961586
2008	-44.6969361537542
2009	-71.2311123478402
2010	55.8545239415328
2011	97.4542365180642
2012	97.4542365180642