Year	Percent change
1980	-1.694
1981	6.004
1982	-1.092
1983	-4.212
1984	10.107
1985	-3.774
1986	6.596
1987	-7.194
1988	3.462
1989	13.888
1990	5.802
1991	-2.7
1992	6.1
1993	2.6
1994	5.1
1995	2.6
1996	4.8
1997	-2.4
1998	1.3
1999	8.7
2000	-1.7
2001	1.9
2002	3.2
2003	0.8
2004	5.4
2005	-1.3
2006	1.9
2007	-0.9
2008	1
2009	-1.4
2010	3
2011	2.7
2012	1.411
2013	4.734
2014	5.604
2015	3.845
2016	0.657
2017	3.023
2018	3.2
2019	3.4
2020	3.3
2021	3.3
2022	3.2
2023	3.2
2024	3.2