Year annual % 2001 5.655406916831367 2002 6.075712379322468 2003 4.236196987735852 2004 7.630620845830549 2005 8.6985393018808 2006 4.909546962361659 2007 10.04797933212609 2008 6.520551988128304 2009 9.539904098644186 2010 4.648826582182039 2011 6.9745161040585515 2012 9.408193975685549 2013 8.722513727949604 2014 8.646437018708014 2015 7.3111386990413365 2016 6.9004404155440255