Year	Percent change
1980	10.777
1981	1.219
1982	-7.661
1983	-2.589
1984	8.157
1985	3.356
1986	7.649
1987	10.93
1988	16.218
1989	11.576
1990	8.82
1991	6.614
1992	6.928
1993	3.276
1994	8.836
1995	10.279
1996	8.174
1997	11.914
1998	2.331
1999	4.984
2000	8.343
2001	-5.783
2002	-1.739
2003	2.185
2004	9.666
2005	7.129
2006	9.342
2007	8.703
2008	5.659
2009	-8.397
2010	12.137
2011	7.14
2012	3.407
2013	3.577
2014	4.289
2015	0.575
2016	-0.103
2017	3.024
2018	3.938
2019	2.71
2020	2.633
2021	2.455
2022	3.803
2023	3.704
2024	3.715