Year	Percent change
1980	-5.344
1981	-3.945
1982	5.454
1983	8.813
1984	11.235
1985	3.132
1986	7.426
1987	7.762
1988	13.336
1989	8.175
1990	0.103
1991	-5.254
1992	6.593
1993	3.792
1994	4.425
1995	6.177
1996	9.47
1997	7.057
1998	7.882
1999	5.696
2000	10.488
2001	5.384
2002	5.276
2003	2.117
2004	6.681
2005	7.756
2006	11.292
2007	-3.935
2008	-1.879
2009	-9.156
2010	11.334
2011	1.426
2012	2.544
2013	3.044
2014	3.575
2015	4.404
2016	3.81
2017	4.406
2018	-0.551
2019	2.937
2020	1.343
2021	1.841
2022	1.991
2023	1.991
2024	1.992