Year	Percent change
1980	-14.588
1982	0.3
1983	10.2
1984	6.2
1985	2.6
1986	-0.3
1987	6
1988	0.4
1989	8
1990	3.4
1991	0.575
1992	5.989
1993	2.135
1994	-6.118
1995	5.733
1996	5.749
1997	11.257
1998	1.653
1999	3.518
2000	3.325
2001	-1.696
2002	5.798
2003	6.754
2004	2.729
2005	4.954
2006	-3.007
2007	-1.882
2008	-3.568
2009	-8.443
2010	-3.218
2011	-4.822
2012	-3.652
2013	-6.394
2014	0.311
2015	5.733
2016	9.612
2017	-4.895
2018	-9.393
2019	4.547
2020	1.572
2021	1.934
2022	1.502
2023	1.406
2024	1.272