Year	Percent change
1980	8.039
1981	7.108
1982	4.798
1983	9.044
1984	10.048
1985	4.807
1986	11.516
1987	12.703
1988	8.018
1989	8.749
1990	5.646
1991	8.359
1992	8.293
1993	6.802
1994	7.494
1995	6.501
1996	6.175
1997	6.113
1998	4.211
1999	6.717
2000	6.421
2001	-1.26
2002	5.575
2003	4.121
2004	6.506
2005	5.416
2006	5.623
2007	6.517
2008	0.704
2009	-1.567
2010	10.631
2011	3.805
2012	2.064
2013	2.202
2014	4.021
2015	0.806
2016	1.512
2017	3.079
2018	2.63
2019	2.505
2020	2.523
2021	2.427
2022	2.28
2023	2.238
2024	2.119