Year	Percent change
1980	6.994
1981	8.041
1982	10.425
1983	8.022
1984	3.304
1985	4.138
1986	-1.419
1987	0.653
1988	1.917
1989	3.925
1990	4.359
1991	2.599
1992	2.904
1993	3.608
1994	1.803
1995	1.258
1996	1.32
1997	1.5
1998	0.403
1999	2.379
2000	4.328
2001	0.974
2002	2.854
2003	2.48
2004	3.544
2005	3.537
2006	2.294
2007	4.353
2008	0.697
2009	2.497
2010	3.056
2011	3.352
2012	2.422
2013	1.502
2014	-0.99
2015	0.818
2016	1.543
2017	1.559
2018	1.885
2019	1.91
2020	1.596
2021	2.108
2022	1.815
2023	1.925
2024	1.925