Year	Percent change
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1990	0
1991	0
1993	0
1994	0
1995	0
1997	-19.051
1998	24.363
1999	88.951
2000	16.254
2001	23.9
2002	3.878
2003	9.51
2004	20.63
2005	6.026
2006	12.612
2007	16.999
2008	15.351
2009	0.754
2010	10.279
2011	1.765
2012	-2.221
2013	-9.908
2014	3.295
2015	5.284
2016	10.389
2017	10.139
2018	2.773
2019	4.927
2020	5.842
2021	4.794
2022	4.562
2023	4.669
2024	5.013