Year	Percent change
1980	-2.995
1981	12.954
1982	-3.572
1983	-6.027
1984	9.912
1985	3.733
1986	7.193
1987	0
1988	1.718
1989	5.368
1990	-2.12
1991	0.695
1992	-1.665
1993	0.069
1994	10.377
1995	4.258
1996	-7.786
1997	7.694
1998	3.744
1999	3.722
2000	-1.67
2001	0.396
2002	0.268
2003	-6.834
2004	2.632
2005	2.468
2006	4.771
2007	4.608
2008	2.054
2009	1.709
2010	3.047
2011	3.301
2012	4.113
2013	-36.7
2014	1.04
2015	4.8
2016	4.531
2017	4.329
2018	4.341
2019	5.044
2020	4.952
2021	4.969
2022	5.022
2023	5.04
2024	5.045