Year	Percent change
1980	-3.361
1981	-2.696
1982	4.925
1983	6.549
1984	9.836
1985	2.532
1986	6.926
1987	7.977
1988	12.811
1989	7.449
1990	0.615
1991	-4.3
1992	6.802
1993	3.334
1994	5.979
1995	5.558
1996	9.523
1997	9.285
1998	8.633
1999	7.284
2000	9.835
2001	4.787
2002	5.662
2003	3.115
2004	6.76
2005	7.179
2006	9.803
2007	-2.345
2008	-1.849
2009	-8.559
2010	8.135
2011	0.735
2012	2.951
2013	3.155
2014	3.793
2015	5.495
2016	3.291
2017	3.511
2018	0.66
2019	3.148
2020	1.242
2021	1.67
2022	1.756
2023	1.774
2024	1.784