Year annual % 2006 6.464195890557491 2007 4.787129677620712 2008 7.379367193689163 2009 -2.9965457372609308 2010 0.38635282149219563 2011 8.166361688225223 2012 12.815491357126845 2013 7.186265266931542 2014 7.732211982180075 2015 6.67856353818128 2016 6.173536788511484 2017 1.1911792710137945 2018 1.7287127330403678 2019 -2.8604809592450806 2020 -1.4293304436895795 2021 -3.4084168839993367 2022 8.835824402466045