Year	Percent change
1980	3.087
1981	-2.961
1982	-0.758
1983	2.678
1984	5.275
1985	4.034
1986	3.233
1987	4.584
1988	5.467
1989	8.592
1990	10.768
1991	9.528
1992	2.501
1993	-6.558
1994	8.246
1995	7.278
1996	4.135
1997	9.193
1998	8.9
1999	8.599
2000	11.324
2001	1.148
2002	-2.517
2003	5.701
2004	7.054
2005	6.017
2006	11.503
2007	6.519
2008	1.789
2009	-9.639
2010	12.621
2011	7.156
2012	0.364
2013	3.1
2014	3.601
2015	5.204
2016	3.986
2017	5.324
2018	3.448
2019	3.885
2020	4.695
2021	4.799
2022	4.416
2023	4.308
2024	4.114