Year	Percent change
1985	3.24
1986	-7.585
1987	7.2
1988	24.118
1989	-31.737
1990	2.447
1991	25.24
1992	4.752
1993	-11.738
1994	-28.4
1995	31.011
1996	-15.485
1997	62.421
1998	14.298
1999	-11.449
2000	14.985
2001	15.789
2002	-28.215
2003	-23.457
2004	66.582
2005	38.777
2006	40.169
2007	31.575
2008	3.187
2009	-21.528
2010	-6.101
2011	13.803
2012	24.948
2013	-9.687
2014	-18.532
2015	-23.102
2016	-50.061
2017	-34.651
2018	-4.247
2019	-62.592
2020	-13.934
2021	-5.646
2022	-5.932
2023	-2.488
2024	0.023