Year annual % change 1999 5.300000190734863 2000 -37.7564582825 2001 -30.9781780243 2002 22.4599990845 2003 37.0999984741 2004 36.7000007629 2005 -1.1167805911 2006 12.8419822802 2007 39.36151855047455 2008 -9.8873204557 2009 22.6231952954 2010 24.20168998146357 2011 6.22900454617552 2012 19.0116355568726 2013 -0.104646392611962 2014 6.17555149594555 2015 -0.918138933269996 2016 24.1713888961004 2017 17.6958163062855 2018 -12.1731139494267 2019 -2.23780501670851 2020 -31.5269281596224 2021 15.9967905259979 2022 -3.31676513540876