Year	Percent change
1999	24.752
2000	-4.341
2001	-6.569
2002	-7.797
2003	81.787
2004	53.386
2005	1.675
2006	5.638
2007	1.889
2008	8.228
2009	3.379
2010	6.403
2011	7.546
2012	13.936
2013	7.628
2014	0.738
2015	2.537
2016	13.562
2017	-1.696
2018	0.585
2019	2.798
2020	8.124
2021	2.336
2022	2.099
2023	1.833
2024	1.851