Year	% change from 1990
1991	-1.8185352566605
1992	-0.630667607963187
1993	-0.994126846478471
1994	-1.68210195728359
1995	2.45147927253138
1996	3.72385891147919
1997	2.27767978537174
1998	3.97232244089158
1999	2.38772815160568
2000	2.29463774487793
2001	3.86390454926047
2002	7.22997616577996
2003	12.5183544322119
2004	20.3915140312787
2005	26.8806964305591
2006	26.1389362413899
2007	29.6978623469447
2008	36.1014029594663
2009	38.1060803269582
2010	42.9213466422656
2011	46.7636724685354
2012	50.0417947283022