Year	Percent change
1980	5.58
1981	8.661
1982	3.165
1983	4.596
1984	3.298
1985	6.037
1986	1.339
1987	4.857
1988	9.142
1989	4.658
1990	6.527
1991	6.169
1992	0.271
1993	1.229
1994	8.236
1995	2.883
1996	4.65
1997	4.488
1998	4.101
1999	11.27
2000	12.578
2001	3.353
2002	4.358
2003	-1.202
2004	3.015
2005	7.729
2006	10.338
2007	3.654
2008	3.872
2009	-9.224
2010	2.94
2011	7.195
2012	1.162
2013	1.611
2014	3.129
2015	3.577
2016	3.869
2017	3.573
2018	0.482
2019	1.985
2020	2.085
2021	1.974
2022	1.9
2023	1.9
2024	1.9