Year	Percent change
1980	4.612
1981	5.361
1982	-0.817
1983	4.615
1984	-1.566
1985	-4.084
1986	-1.015
1987	-0.706
1988	-12.4
1989	-1.694
1990	-0.132
1991	-0.154
1992	0.4
1993	-0.4
1994	5
1995	5.912
1996	6.344
1997	3.967
1998	3.712
1999	7.036
2000	4.102
2001	2.961
2002	0.754
2003	2.521
2004	5.312
2005	4.282
2006	3.805
2007	5.076
2008	3.436
2009	-3.293
2010	4.41
2011	6.317
2012	6.496
2013	4.927
2014	4.785
2015	4.769
2016	4.659
2017	4.861
2018	-4
2019	-5
2020	-0.2
2021	1.1
2022	1.7
2023	2
2024	3