Year	Percent change
1980	5.263
1981	8.45
1982	2.822
1983	9.523
1984	3.78
1985	8.643
1986	2.872
1987	4.308
1988	5.997
1989	5.698
1990	0.692
1991	1.403
1992	3.045
1993	7.31
1994	6.93
1995	7.492
1996	6.694
1997	7.639
1998	8.413
1999	11.86
2000	7.267
2001	6.138
2002	5.283
2003	7.502
2004	4.927
2005	5.81
2006	9.118
2007	9.218
2008	6.651
2009	-1.27
2010	1.467
2011	3.969
2012	1.082
2013	0.803
2014	0.611
2015	1.007
2016	4.706
2017	4.013
2018	4.729
2019	5.019
2020	4.965
2021	4.993
2022	5.016
2023	5.042
2024	5.017