Year	Percent change
1980	3.727
1981	-4.422
1982	-0.465
1983	3.746
1984	6.256
1985	4.555
1986	4.222
1987	5.211
1988	5.908
1989	9.307
1990	11.368
1991	13.992
1992	1.275
1993	-9.137
1994	8.62
1995	7.206
1996	4.148
1997	9.585
1998	10.492
1999	8.49
2000	11.634
2001	0.272
2002	-2.123
2003	7.335
2004	7.565
2005	6.77
2006	13.452
2007	7.058
2008	2.025
2009	-10.09
2010	13.912
2011	8.007
2012	-0.969
2013	2.23
2014	4.52
2015	5.383
2016	3.822
2017	6.023
2018	4.188
2019	3.65
2020	4.695
2021	4.798
2022	4.344
2023	4.223
2024	4.027