Year	Percent change
1980	6.656
1981	7.626
1982	8.723
1983	7.663
1984	6.348
1985	4.868
1986	1.296
1987	1.554
1988	1.162
1989	3.105
1990	3.453
1991	3.167
1992	2.257
1993	2.485
1994	2.396
1995	1.267
1996	1.765
1997	1.503
1998	0.907
1999	1.135
2000	2.679
2001	2.435
2002	1.548
2003	1.517
2004	1.857
2005	2.537
2006	2.328
2007	1.816
2008	4.489
2009	-0.006
2010	2.334
2011	3.353
2012	2.626
2013	1.248
2014	0.49
2015	0.62
2016	1.77
2017	2.224
2018	2.311
2019	1.93
2020	1.604
2021	1.891
2022	1.877
2023	1.934
2024	1.954