Year annual % 2007 3.59252131266426 2008 13.6653995252441 2009 9.81643884508671 2010 -3.89955040651658 2011 1.4974097987596 2012 -3.04586292775563 2013 -1.48805908468096 2014 2.1039852092504 2015 0.572015743634246 2016 1.9173109023338 2017 0.355520888546828 2018 0.564030491493476 2019 -1.81307995302947 2020 2.5532455441463 2021 2.05361676773907