Year	annual %
2003	3.16962039006525
2004	2.83266160951553
2005	0.864469649504684
2006	1.98516562728206
2007	7.05313431578094
2008	4.67222574815432
2009	4.69489121402486
2010	3.19541055396115
2011	2.00626450397037
2012	-1.85477238144752
2013	1.549389266538
2014	3.06306090774461
2015	-0.128839242374738
2016	1.76045558164913
2017	1.68752756772659