Year	Percent change
1980	5.447
1981	6.324
1982	5.256
1983	3.284
1984	2.396
1985	2.084
1986	-0.125
1987	0.242
1988	1.274
1989	2.778
1990	2.687
1991	3.474
1992	5.046
1993	4.476
1994	2.717
1995	1.733
1996	1.274
1997	1.519
1998	0.585
1999	0.679
2000	1.402
2001	1.9
2002	1.305
2003	1.094
2004	1.75
2005	1.929
2006	1.785
2007	2.29
2008	2.745
2009	0.246
2010	1.119
2011	2.482
2012	2.15
2013	1.598
2014	0.77
2015	0.68
2016	0.375
2017	1.711
2018	1.927
2019	1.342
2020	1.673
2021	1.935
2022	2.206
2023	2.225
2024	2.227