Year	Percent change
1980	4.9
1981	3.9
1982	1.2
1983	-2.8
1984	4.2
1985	4.4
1986	3.094
1987	-5.972
1988	10.486
1989	0.285
1990	3.008
1991	5.113
1992	3.614
1993	2
1994	4.258
1995	2.253
1996	1.732
1997	4.328
1998	3.267
1999	-4.739
2000	1.092
2001	4.016
2002	4.097
2003	2.723
2004	8.211
2005	5.291
2006	4.404
2007	2.19
2008	6.357
2009	0.566
2010	3.525
2011	7.868
2012	5.642
2013	4.947
2014	3.789
2015	0.099
2016	-1.226
2017	2.368
2018	1.054
2019	-0.485
2020	0.162
2021	1.205
2022	2.654
2023	2.276
2024	2.105