Year annual % change 2006 -4.5869987433 2007 39.9389331258 2009 -10.407782239 2010 29.124005330176537 2011 -21.3559500332989 2012 -2.98520863480527 2013 1.69853037968093 2014 -8.73378429045708 2015 -18.3070129735767 2016 -2.03892935006361 2017 11.5730923371271 2018 9.15028483687634 2019 26.8703600831849 2020 -12.6827925258499 2021 27.5440460874695 2022 4.04712715218842