Year	Percent change
1986	-11.622
1987	-6.953
1988	4.078
1989	-0.451
1990	1.278
1991	8.769
1992	6.042
1993	-2.787
1994	2.849
1995	16.814
1996	-3.444
1997	-5.068
1998	-9.952
1999	13.962
2000	11.889
2001	1.303
2002	5.772
2003	2.264
2004	-0.714
2005	-1.26
2006	4.422
2007	-9.194
2008	-7.054
2009	-6.66
2010	11.705
2011	-4.575
2012	-2.798
2013	-9.284
2014	4.323
2015	-13.765
2016	-1.891
2017	-2.705
2018	-1.621
2019	38.258
2020	43.284
2021	1.95
2022	0.7
2023	1.271
2024	-0.365