Year	Percent change
1980	5.432
1981	7.212
1982	3.742
1983	-0.508
1984	8.852
1985	7.446
1986	-1.2
1987	0.746
1988	5.665
1989	10.286
1990	11.342
1991	14.2
1992	-1.262
1993	-6.027
1994	7.941
1995	6.865
1996	6.043
1997	12.416
1998	7.101
1999	4.995
2000	14.522
2001	6.095
2002	4.261
2003	1.807
2004	10.323
2005	6.97
2006	12.81
2007	9.661
2008	1.284
2009	-14.259
2010	14.165
2011	8.442
2012	3.484
2013	1.89
2014	4.621
2015	4.739
2016	2.142
2017	5.295
2018	2.19
2019	3.012
2020	3.798
2021	3.8
2022	3.8
2023	3.65
2024	3.517