Year	Percent change
1980	2.406
1981	-4.4
1982	0
1983	4.2
1984	6
1985	3.5
1986	2.9
1987	4.083
1988	6.129
1989	0.042
1990	-3.45
1991	0.991
1992	-5.838
1993	-23.983
1994	1.339
1995	15
1996	13.544
1997	7.274
1998	4.691
1999	2.181
2000	3.055
2001	4.206
2002	13.666
2003	2.99
2004	10.953
2005	15.029
2006	11.548
2007	14.01
2008	11.166
2009	0.859
2010	4.859
2011	3.472
2012	8.542
2013	4.955
2014	4.823
2015	0.944
2016	-2.58
2017	-0.15
2018	-1.699
2019	0.444
2020	2.881
2021	2.219
2022	2.962
2023	3.801
2024	3.862