Year annual % 1997 4.48235568522459 1998 0.5477306419580827 1999 -0.361178871065988 2000 4.982136618257016 2001 2.884859243203408 2002 6.13535886024394 2003 6.606835235757245 2004 9.73788110115241 2005 8.191421382278307 2006 8.126434138204559 2007 10.026574384485045 2008 6.660681383044292 2009 -4.158706043691367 2010 5.045598056130103 2011 6.831988547008024 2012 4.478366935569866 2013 3.9137575089964116 2014 1.499652837209993 2015 -2.447713039736314 2016 0.9047164943837487 2017 4.691470405414108 2018 3.456895081949966 2019 3.1490386036231683 2020 -2.5026584585876748 2021 10.058431702453618 2022 6.962959961881339 2023 7.0538092126151355