Year	Percent change
1980	7.945
1981	6.212
1982	-13.588
1983	-2.802
1984	5.886
1985	1.968
1986	5.596
1987	6.581
1988	7.288
1989	10.605
1990	3.671
1991	7.715
1992	11.132
1993	6.722
1994	5.062
1995	8.844
1996	6.869
1997	7.417
1998	4.362
1999	-0.463
2000	5.336
2001	3.305
2002	3.094
2003	4.091
2004	7.2
2005	5.743
2006	6.318
2007	4.912
2008	3.567
2009	-1.594
2010	5.825
2011	6.119
2012	5.332
2013	4.049
2014	1.769
2015	2.307
2016	1.694
2017	1.257
2018	4.022
2019	3.397
2020	3.24
2021	2.995
2022	3.001
2023	2.984
2024	3.042