Year	Percent change
1980	5.673
1981	1.294
1982	3.087
1983	3.122
1984	3.213
1985	3.537
1986	2.726
1987	3.559
1988	5.211
1989	5.087
1990	0.679
1991	-5.916
1992	-3.325
1993	-0.734
1994	3.94
1995	4.206
1996	3.658
1997	6.253
1998	5.428
1999	4.444
2000	5.635
2001	2.581
2002	1.68
2003	1.994
2004	3.926
2005	2.781
2006	4.055
2007	5.185
2008	0.721
2009	-8.269
2010	2.992
2011	2.571
2012	-1.426
2013	-0.759
2014	-0.632
2015	0.135
2016	2.477
2017	2.797
2018	2.429
2019	1.943
2020	1.731
2021	1.393
2022	1.257
2023	1.264
2024	1.262