Year	% change from 1990
1991	0.00113301369821794
1992	0.00370541724774576
1993	0.0114370796016949
1994	0.0215532733358392
1995	0.0467233267933631
1996	0.0809497822604754
1997	0.125027483530626
1998	-99.5594855266123
1999	-91.6871382298582
2000	-97.5602028899961
2001	-99.5118254884515
2002	-82.7630174964196
2003	-99.0640979280696
2004	-99.028781091435
2005	-98.8169419730985
2006	-98.5242135288021
2007	-98.5882598739181
2008	-98.3653042629766
2009	-97.9923112881153
2010	-98.6679786117449
2011	-98.6679786117449
2012	-98.6679786117466