Year	Percent change
1980	6.3
1981	8.073
1982	9.357
1983	8.669
1984	5.637
1985	4.094
1986	0.3
1987	-0.1
1988	1.4
1989	3.4
1990	3.7
1991	3.1
1992	3.2
1993	3.6
1994	2.2
1995	1.9
1996	1.156
1997	1.371
1998	0.972
1999	1.021
2000	3.781
2001	2.404
2002	2.059
2003	2.529
2004	3.24
2005	3.764
2006	2.958
2007	2.656
2008	4.09
2009	0.011
2010	2.797
2011	3.726
2012	2.887
2013	1.698
2014	0.696
2015	0.06
2016	0.039
2017	2.111
2018	2.018
2019	1.561
2020	1.863
2021	1.874
2022	1.949
2023	1.875
2024	1.925