Year	% change from 1990
1991	-4.71077756786116
1992	-4.63833377746503
1993	-0.312823625958547
1994	3.76460489603609
1995	4.59934856853936
1996	6.74509139663488
1997	10.5036308761046
1998	10.6330217852122
1999	13.0873610792492
2000	5.56101524404258
2001	5.9661535437296
2002	3.29562121316576
2003	8.45836393160173
2004	8.99547332511508
2005	6.094858019205
2006	5.76497545547316
2007	7.31977589829527
2008	5.24212442284662
2009	-2.40926363373424
2010	-2.60284155800133
2011	-4.86904111383695
2012	-5.82421072382857