Year	Percent change
1980	3.8
1981	11.4
1982	8.7
1983	3.2
1984	0
1985	-2.4
1986	-2.5
1987	-1.7
1988	0.2
1989	1.2
1990	1.299
1991	0.899
1992	-0.302
1993	2.599
1994	3.999
1995	3.139
1996	-0.185
1997	4.602
1998	-0.418
1999	-1.259
2000	-0.73
2001	-1.175
2002	-0.496
2003	1.679
2004	2.248
2005	2.618
2006	2.041
2007	3.252
2008	3.533
2009	2.785
2010	1.97
2011	-0.37
2012	2.768
2013	3.298
2014	2.651
2015	1.836
2016	2.799
2017	1.387
2018	2.1
2019	3.3
2020	3.2
2021	2.8
2022	2.3
2023	2.1
2024	2.2