Year annual % change 1998 -26.790000915527344 1999 42.29999923706055 2001 3.6900684834 2002 3.8399999142 2003 49.4500007629 2004 83.5999984741 2005 110.9887562304 2006 -48.857268432 2007 35.573101299817374 2009 28.4502300455 2010 9.024818441674531 2011 -3.90158189112108 2012 4.38613556427934 2013 23.6416884153798 2014 -6.54024517904253 2015 -17.7293622800039 2016 4.00144202366766 2017 -72.0607557892957 2018 10.7210838354786 2019 6.61421678495411 2020 2.97339768168305 2021 31.253976312386 2022 -8.49574342343148