Year	Percent change
1980	4.425
1981	4.054
1982	5.195
1983	-4.938
1984	16.883
1985	11.111
1986	5
1987	-0.952
1988	-2.885
1989	1.98
1990	16.5
1991	1.2
1992	4
1993	14.3
1994	9.4
1995	7.16
1996	4.147
1997	10.619
1998	-1.5
1999	5.076
2000	18.261
2001	11.345
2002	-13.515
2003	8.383
2004	7.7
2005	-0.582
2006	4.666
2007	2.31
2008	-2.271
2009	-16.346
2010	13.791
2011	-11.016
2012	-8.303
2013	17.509
2014	13.569
2015	2.548
2016	10.052
2017	3.392
2018	6.244
2019	4.72
2020	5.414
2021	5.618
2022	6.13
2023	5.75
2024	4.804