Year	% change from 1990
1991	0
1992	-2.55351295663786E-13
1993	-4.9960036108132E-13
1994	-2.55351295663786E-13
1995	-2.55351295663786E-13
1996	-4.9960036108132E-13
1997	-2.55351295663786E-13
1998	10321.075
1999	9883.74999999997
2000	10290.1
2001	7582.67499999998
2002	9789.22499999997
2003	9383.87499999998
2004	9011.79999999998
2005	10070.2
2006	7092.39999999998
2007	9285.59999999998
2008	9161.67499999998
2009	8768.29999999998
2010	7326.19999999998
2011	7326.20000000001
2012	7326.19999999998