Year	Percent change
1980	4.371
1981	-1.9
1982	-4.9
1983	0.5
1984	3.6
1985	1.1
1986	5.1
1987	2.6
1988	3.5
1989	3.6
1990	-3.3
1991	-3.9
1992	-5.7
1993	0.8
1994	2
1995	2.023
1996	3.966
1997	4.74
1998	3.74
1999	0.326
2000	4.453
2001	-2.367
2002	0.791
2003	2.171
2004	1.407
2005	3.965
2006	5.669
2007	1.854
2008	0.907
2009	-4.853
2010	-2.173
2011	-0.795
2012	-0.065
2013	-1.366
2014	-0.176
2015	2.211
2016	2.273
2017	-0.168
2018	-0.5
2019	-0.098
2020	0.6
2021	1.5
2022	1.84
2023	1.84
2024	1.84