Year	annual %
2001	3.99129663676976
2002	7.6057132225898
2003	2.65086198419222
2004	3.79271516902942
2005	3.25271317136429
2006	6.86536110322231
2007	3.85928930570709
2008	3.14067467133394
2009	3.42473028401751
2010	2.29478484174706
2011	1.66095422450343
2012	1.88379325469742
2013	0.823243849421004
2014	6.10450829102285
2015	1.88225514171585
2016	-1.51806674125173
2017	-0.847814593402049