Year	% change from 1990
1991	1.87316986578714
1992	4.26639620719196
1993	-1.0592420709054
1994	0.893611371904335
1995	1.06130404147371
1996	5.23621242506553
1997	19.4021812409557
1998	12.4448172845192
1999	1.65424510251126
2000	0.877102739502988
2001	0.0283232952287049
2002	5.20836693461106
2003	5.09047129220392
2004	6.92970152549208
2005	12.5716685021402
2006	14.4902910478755
2007	6.66724319149929
2008	7.89138374276552
2009	11.2887438961354
2010	13.838206889867
2011	15.4317409078838
2012	17.561775980739