Year	Percent change
1990	-11.032
1991	28.8
1992	6.366
1993	10.657
1994	-3.386
1995	9.529
1996	2.8
1997	-2.724
1998	-0.7
1999	4.431
2000	-0.868
2001	-4.475
2002	-2.331
2003	6.325
2004	27.4
2005	-1.197
2006	17.564
2007	0.913
2008	19.562
2009	-6.908
2010	8.186
2011	-9.501
2012	1.23
2013	-9.203
2014	-3.911
2015	-4.564
2016	11.343
2017	8.975
2018	7.832
2019	0.884
2020	2.821
2021	4.546
2022	4.34
2023	4.05
2024	4.358