Year	Percent change
1996	28.007
1997	21.406
1998	18.571
1999	1.041
2000	15.526
2001	-5.327
2002	2.773
2003	9.611
2004	8.117
2005	6.91
2006	18.467
2007	15.728
2008	9.158
2009	-12.774
2010	14.342
2011	6.453
2012	-0.109
2013	1.762
2014	9.717
2015	6.066
2016	8.391
2017	10.113
2018	6.743
2019	6.597
2020	6.222
2021	5.1
2022	4.8
2023	4.34
2024	4.34