Year	Percent change
1980	0
1981	0
1982	0
1983	0
1988	0
1989	20.503
1990	12.113
1991	13.123
1992	4.323
1993	0.091
1994	-3.549
1995	10.333
1996	8.511
1997	4.679
1998	-6.332
1999	-3.215
2000	-2.838
2001	12.89
2002	11.888
2003	-3.503
2004	-0.339
2005	3.807
2006	-0.407
2007	1.3
2008	6.611
2009	2.818
2010	3.598
2011	4.252
2012	4.207
2013	-6.004
2014	1.207
2015	5.946
2016	0.764
2017	3.04
2018	2.899
2019	13.385
2020	-6.159
2021	8.038
2022	8.229
2023	-0.452
2024	-2.9