Year	Percent change
2004	1.087
2005	1.9
2006	2.007
2007	4.019
2008	3.155
2009	1.964
2010	2.991
2011	2
2012	2.531
2013	1.458
2014	0.494
2015	0.232
2016	0.833
2017	1
2018	1.595
2019	1.636
2020	1.671
2021	1.732
2022	1.786
2023	1.812
2024	1.812