Year	Percent change
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1997	-9.901
1998	28.907
1999	38.743
2000	-3.432
2001	23.272
2002	11.868
2003	8.409
2004	10.704
2005	8.434
2006	5.37
2007	18.938
2008	11.845
2009	-2.358
2010	-8.558
2011	3.468
2012	-7.44
2013	-8.717
2014	5.374
2015	0.154
2016	8.489
2017	5.883
2018	3.289
2019	5.194
2020	4.832
2021	5.316
2022	5.458
2023	5.384
2024	5.639