Year	Percent change
1980	-6.527
1981	20.786
1982	1.078
1983	14.42
1984	5.331
1985	18.485
1986	14.813
1987	3.779
1988	12.306
1989	2.088
1990	7.7
1991	-4.386
1992	15.553
1993	4.456
1994	4.822
1995	2.104
1996	9.731
1997	12.686
1998	-4.826
1999	6.195
2000	14.747
2001	10.197
2002	-0.195
2003	-6.147
2004	-6.298
2005	9.476
2006	0.166
2007	5.624
2008	22.133
2009	-3.723
2010	8.613
2011	6.182
2012	10.812
2013	10.32
2014	0.938
2015	-0.844
2016	-10.178
2017	3.032
2018	6.307
2019	2.986
2020	8.963
2021	5.799
2022	3.118
2023	3.465
2024	4.313