Year	Percent change
1980	13.383
1981	10.829
1982	4.128
1983	2.556
1984	4.197
1985	1.421
1986	7.073
1987	6.308
1988	7.817
1989	-0.191
1990	5.419
1991	1.346
1992	2.03
1993	2.162
1994	0.034
1995	3.03
1996	3.105
1997	2.185
1998	3.774
1999	0.355
2000	2.34
2001	-0.063
2002	-2.829
2003	6.353
2004	3.051
2005	0.656
2006	4.659
2007	6.354
2008	7.121
2009	-1.17
2010	0.673
2011	-0.231
2012	-1.07
2013	0.771
2014	4.187
2015	-3.658
2016	2.638
2017	-5.409
2018	-11.966
2019	7.989
2020	7.01
2021	4.34
2022	3.782
2023	1.587
2024	1.493