Year	annual %
2001	6.95736972203468
2002	10.733495996064
2003	5.66426035247571
2004	6.83425268232223
2005	6.25121205683887
2006	9.93339028643436
2007	6.81824678515355
2008	6.07522725052296
2009	6.38783952891042
2010	5.25914489257751
2011	4.64160250790115
2012	4.89248424136008
2013	3.8031357848449
2014	9.21865782921876
2015	4.83586105560146
2016	1.29803363709837
2017	1.95242489823448