Year	Percent change
1986	4.075
1987	-4.305
1988	12.383
1989	13.612
1990	10.06
1991	12.206
1992	22.779
1993	24.344
1994	-4.879
1995	5.345
1996	20.5
1997	-28.838
1998	-24.49
1999	-7.722
2000	-20.176
2001	2.381
2002	47.407
2003	-19.959
2004	2.88
2005	5.197
2006	8.523
2007	23.154
2008	16.449
2009	4.633
2010	-10.003
2011	15.252
2012	24.273
2013	-2.811
2014	-22.147
2015	-10.629
2016	-11.381
2017	16.057
2018	-0.233
2019	36.685
2020	47.708
2021	3.846
2022	2.943
2023	1.877
2024	0.899