Year	% change from 1990
1991	0
1992	0
1993	-4.49640324973188E-12
1994	0
1995	1.35003119794419E-11
1996	-4.49640324973188E-12
1997	0
1998	459071.5
1999	517480
2000	541580
2001	418601.5
2002	532830
2003	548030
2004	505040
2005	509250
2006	477397.5
2007	494372.5
2008	431226
2009	354551
2010	381645.500000003
2011	381645.499999998
2012	381645.500000002