Year	Percent change
1996	23.166
1997	24.966
1998	6.14
1999	-12.351
2000	4.976
2001	17.576
2002	18.582
2003	8.856
2004	15.211
2005	16.831
2006	14.259
2007	10.809
2008	12.188
2009	-27.997
2010	18.671
2011	15.007
2012	6.645
2013	9.112
2014	3.096
2015	6.815
2016	3.818
2017	12.02
2018	4.348
2019	4.243
2020	5.428
2021	5.059
2022	5.031
2023	4.667
2024	4.671