Year annual % 1998 9.46057086122849 1999 12.270083717671554 2000 7.703330764629172 2001 8.54185481562601 2002 3.8295165326530025 2003 5.687287046791397 2004 5.213256484434865 2005 5.150370458292272 2006 6.8440067949405545 2007 5.833584513531775 2008 5.1792258926296455 2009 1.229243667915199 2010 4.306606019858506 2011 3.606888391979112 2012 0.6441817027431114 2013 3.459208095560726 2014 0.9909446362349712 2015 2.4779060087755482 2016 3.7314494829904845 2017 2.4494188704693727 2018 3.653874551806723 2019 0.9165540044026272 2020 -3.617222360516422 2021 9.16507459650208