Year	Percent change
1980	-3.811
1981	6.902
1982	1.439
1983	-0.547
1984	2.481
1985	1.924
1986	18.584
1987	10.016
1988	7.571
1989	9.408
1990	9.859
1991	1.76
1992	3.227
1993	3.106
1994	2.401
1995	4.826
1996	3.842
1997	3.103
1998	2.604
1999	2.951
2000	1.76
2001	1.055
2002	4.38
2003	3.88
2004	3.624
2005	5.999
2006	5.992
2007	4.435
2008	0.822
2009	1.565
2010	3.794
2011	2.247
2012	4.718
2013	6.421
2014	1.931
2015	0.391
2016	3.222
2017	1.873
2018	0.209
2019	-0.44
2020	0.16
2021	0.902
2022	1.933
2023	2.187
2024	2.228