Year	Percent change
1980	-5.4
1981	11.34
1982	22.636
1983	14.187
1984	5.837
1985	-4.463
1986	4.557
1987	9.472
1988	5.674
1989	5.76
1990	5.079
1991	5.111
1992	4.953
1993	9.268
1994	8.795
1995	20.198
1996	15.448
1997	9.385
1998	7.396
1999	5.43
2000	11.567
2001	-0.521
2002	0.396
2003	1.907
2004	9.87
2005	6.315
2006	7.811
2007	1.974
2008	-1.017
2009	-10.855
2010	22.362
2011	7.713
2012	6.525
2013	1.371
2014	6.982
2015	8.414
2016	3.694
2017	3.936
2018	5.748
2019	3.313
2020	3.338
2021	4.178
2022	4.414
2023	4.659
2024	4.674