Year	Percent change
1980	6.621
1981	5.361
1982	-0.383
1983	-1.847
1984	5.099
1985	-1.211
1986	0.018
1987	2.101
1988	4.2
1989	2.395
1990	-0.318
1991	-1.018
1992	-2.137
1993	1.27
1994	3.2
1995	3.1
1996	4.3
1997	2.6
1998	0.5
1999	2.4
2000	4.2
2001	2.7
2002	3.7
2003	2.949
2004	4.555
2005	5.277
2006	5.604
2007	5.36
2008	3.191
2009	-1.538
2010	3.04
2011	3.284
2012	2.213
2013	2.485
2014	1.847
2015	1.194
2016	0.399
2017	1.415
2018	0.787
2019	1.2
2020	1.5
2021	1.8
2022	1.8
2023	1.8
2024	1.809