Year	Percent change
1980	8.541
1981	8.189
1982	3.918
1983	1.037
1984	2.604
1985	0.492
1986	-1.38
1987	0.483
1988	1.523
1989	2.294
1990	3.45
1991	3.44
1992	2.244
1993	2.291
1994	3.095
1995	1.725
1996	1.379
1997	2.023
1998	-0.271
1999	0.024
2000	1.348
2001	1.015
2002	-0.392
2003	0.487
2004	1.672
2005	0.468
2006	0.963
2007	2.105
2008	6.628
2009	0.597
2010	2.823
2011	5.248
2012	4.576
2013	2.359
2014	1.025
2015	-0.523
2016	-0.532
2017	0.576
2018	0.439
2019	1.331
2020	1.388
2021	1.348
2022	1.371
2023	1.419
2024	1.448