Year	Percent change
1998	16.582
1999	14.055
2000	14.363
2001	19.583
2002	-12.167
2003	31.908
2004	8.985
2005	-9.865
2006	-17.639
2007	26.361
2008	52.353
2009	59.305
2010	-7.697
2011	20.599
2012	22.451
2013	8.817
2014	3.598
2015	-8.601
2016	-15.238
2017	-25.321
2018	-22.286
2019	41.11
2020	13.399
2021	7.287
2022	6.626
2023	3.248
2024	5.414