Year	Percent change
1980	-0.297
1981	-0.495
1982	1.113
1983	2.012
1984	6.741
1985	5.852
1986	4.162
1987	6.449
1988	1.104
1989	4.941
1990	5.572
1991	0.154
1992	4.532
1993	4.557
1994	9.221
1995	9.455
1996	7.383
1997	9.971
1998	2.815
1999	2.99
2000	8.533
2001	1.948
2002	2.265
2003	3.033
2004	5.402
2005	7.932
2006	12.095
2007	-1.018
2008	0.42
2009	-8.322
2010	5.658
2011	6.443
2012	1.381
2013	1.511
2014	2.282
2015	4.439
2016	1.04
2017	5.612
2018	0.116
2019	2.448
2020	1.775
2021	1.784
2022	1.885
2023	1.902
2024	1.902