Year	Percent change
1980	6.011
1981	9.88
1982	4.947
1983	-12.212
1984	22.765
1985	5.805
1986	-2.008
1987	1.316
1988	30.8
1989	20.739
1990	-4.75
1991	-1.351
1992	8.389
1993	5.693
1994	15.423
1995	9.844
1996	7.744
1997	12.742
1998	8.194
1999	10.348
2000	8.854
2001	-4.622
2002	14.113
2003	12.014
2004	14.35
2005	9.989
2006	9.422
2007	11.702
2008	10.275
2009	-9.625
2010	15.435
2011	10.483
2012	5.485
2013	-3.381
2014	0.051
2015	3.067
2016	0.26
2017	7.703
2018	4.16
2019	1.272
2020	2.472
2021	2.759
2022	3.034
2023	3.034
2024	3.034