Year	% change from 1990
1991	-1.76328630430597
1992	-4.64999399162636
1993	-5.4212546106563
1994	-5.84881090650987
1995	-5.94108563858614
1996	-6.35755737395149
1997	-6.58091947600581
1998	-91.7660478283422
1999	-92.1390279806078
2000	-90.5518060401434
2001	-89.5765858196293
2002	-88.9238025106564
2003	-88.2198784060011
2004	-86.3672470288268
2005	-84.4898847858852
2006	-81.9704961081134
2007	-79.9667545509996
2008	-78.6032270888763
2009	-77.6523944646343
2010	-74.5639855515589
2011	-74.5639855515613
2012	-74.563985551561