Year	Percent change
1991	6.567
1992	-0.579
1993	-2.935
1994	-7.529
1995	16.634
1996	16.371
1997	-0.309
1998	-10.43
1999	4.93
2000	-2.251
2001	8.388
2002	-9.965
2003	30.773
2004	6.772
2005	6.399
2006	-13.741
2007	2.798
2008	-3.918
2009	3.47
2010	10.748
2011	-9.911
2012	-4.542
2013	-0.009
2014	-6.083
2015	8.682
2016	-7.145
2017	8.943
2018	-0.657
2019	4.973
2020	6.162
2021	3.748
2022	11.711
2023	1.985
2024	2.476