Year annual % growth 1996 6.091968637389073 1997 5.922226377941357 1998 5.167619176198329 1999 4.280335305730048 2000 3.235012389360591 2001 1.5895519071513036 2002 2.0875482395925786 2003 2.171996489689093 2004 3.5820695181144657 2005 5.816319534277085 2006 5.02454954534322 2007 7.282550061005381 2008 6.278683701010507 2009 3.822999187536098 2010 1.2444576433997128 2011 3.893968669068599 2012 1.7684049229061145 2013 1.1691399649352547 2014 4.601194535672931 2015 5.914990954920185 2016 2.657288081766467 2017 5.208195834978028 2018 5.634405922302818 2019 5.301344461609119 2020 -0.7798772503714275 2021 5.147233240763583