Year	Percent change
1996	5.239
1997	8.293
1998	7.467
1999	-1.134
2000	3.832
2001	6.524
2002	6.761
2003	10.538
2004	6.55
2005	7.728
2006	7.406
2007	11.087
2008	2.628
2009	-14.814
2010	1.639
2011	6.043
2012	3.827
2013	3.499
2014	3.537
2015	2.021
2016	2.353
2017	4.14
2018	3.446
2019	2.918
2020	2.628
2021	2.622
2022	2.225
2023	2.185
2024	2.007