Year	Percent change
1981	-6.058
1982	0.039
1983	3.916
1984	5.309
1985	6.461
1986	4.245
1987	3.719
1988	3.214
1989	7.799
1990	3.978
1991	6.335
1992	2.85
1993	0.396
1994	9.032
1995	9.922
1996	5.323
1997	11.13
1998	8.392
1999	9.882
2000	11.112
2001	2.627
2002	0.353
2003	1.981
2004	6.334
2005	5.425
2006	7.605
2007	7.901
2008	-0.759
2009	-7.612
2010	8.552
2011	3.877
2012	2.166
2013	2.326
2014	3.271
2015	14.883
2016	-1.977
2017	4.917
2018	2.658
2019	3.228
2020	3.371
2021	3.753
2022	3.877
2023	3.878
2024	3.878