Year	Percent change
1980	-6.527
1981	20.164
1982	0.952
1983	14.436
1984	5.387
1985	18.689
1986	14.817
1987	3.833
1988	12.36
1989	1.32
1990	8.1
1991	-4.461
1992	15.591
1993	4.447
1994	4.83
1995	2.125
1996	9.695
1997	9.158
1998	-7.973
1999	7.55
2000	16.598
2001	8.657
2002	-0.149
2003	-6.319
2004	-6.213
2005	9.995
2006	-0.825
2007	4.89
2008	24.434
2009	-4.651
2010	9.574
2011	6.165
2012	10.596
2013	10.228
2014	0.356
2015	-4.159
2016	-13.018
2017	3.851
2018	7.727
2019	1.209
2020	8.717
2021	5.003
2022	1.916
2023	2.25
2024	3.19