Year	Percent change
1980	3.099
1981	0.557
1982	0.156
1983	0.925
1984	3.013
1985	2.621
1986	2.71
1987	3.067
1988	4.029
1989	3.252
1990	1.982
1991	1.439
1992	0.723
1993	-0.835
1994	2.074
1995	2.683
1996	1.286
1997	1.835
1998	1.616
1999	1.56
2000	3.71
2001	1.772
2002	0.249
2003	0.151
2004	1.582
2005	0.95
2006	2.007
2007	1.474
2008	-1.05
2009	-5.482
2010	1.687
2011	0.577
2012	-2.819
2013	-1.728
2014	0.114
2015	0.924
2016	1.119
2017	1.597
2018	0.881
2019	0.087
2020	0.909
2021	0.659
2022	0.606
2023	0.582
2024	0.648