Year	Percent change
1980	1.753
1981	-8.617
1982	4.966
1983	9.255
1984	7.278
1985	8.82
1986	-2.369
1987	1.916
1988	-3.383
1989	8.301
1990	-3.5
1991	5.664
1992	8.085
1993	12.866
1994	-8.598
1995	5.05
1996	17.603
1997	-5.416
1998	-6.707
1999	-2.718
2000	-5.877
2001	4.136
2002	-1.605
2003	8.905
2004	12.541
2005	34.455
2006	21.022
2007	2.236
2008	11.92
2009	-9.401
2010	-3.292
2011	3.559
2012	3.18
2013	1.715
2014	2.555
2015	12.158
2016	11.28
2017	13.321
2018	8.517
2019	-3.961
2020	1.726
2021	5.475
2022	4.733
2023	3.964
2024	3.807