Year	% change from 1990
1991	-1.5939886232736
1992	5.60375028204307
1993	2.47069721044568
1994	-0.907584880116852
1995	-2.46446257437031
1996	-1.37874523495671
1997	-2.03278824800788
1998	-0.11578609854288
1999	0.205742990487723
2000	-0.649589701568754
2001	-1.26919377248922
2002	-0.579227380146541
2003	-1.58122246369067
2004	-2.84982246131557
2005	-0.827425273433324
2006	-1.32768059662498
2007	-0.724405334473377
2008	-0.420095716508129
2009	-4.65846069804173
2010	-7.75262151602598
2011	-6.83014773118623
2012	-5.9076739463465