Year	Percent change
1980	5.975
1981	1.9
1982	-9.34
1983	-3.281
1984	-1.092
1985	1.475
1986	8.857
1987	7.933
1988	1.467
1989	1.104
1990	0.297
1991	3.539
1992	7.932
1993	2.658
1994	7.281
1995	-1.448
1996	5.578
1997	5.048
1998	4.28
1999	-2.965
2000	-1.776
2001	-3.461
2002	-7.051
2003	2.327
2004	4.64
2005	6.806
2006	4.099
2007	6.542
2008	7.176
2009	4.243
2010	7.803
2011	5.162
2012	3.538
2013	4.638
2014	3.239
2015	0.371
2016	1.69
2017	2.657
2018	2.1
2019	1.9
2020	3
2021	3
2022	3
2023	3
2024	3