Year annual % 1996 4.301537298408846 1997 3.0275738088140685 1998 1.0467253397275869 1999 1.4281831321492717 2000 3.915446329947187 2001 1.935532701294207 2002 2.3922485093553973 2003 3.013716446925386 2004 4.897965198140852 2005 5.5106044614935 2006 5.40102271229803 2007 6.843749245485384 2008 4.308393527536936 2009 1.229210695637974 2010 5.79853976554196 2011 6.387153742869671 2012 4.297196900375127 2013 4.002407261489594 2014 3.344716427020117 2015 2.537300978401859 2016 3.2020503921760906 2017 4.420652513755115 2018 3.9192174030073517 2019 3.067309715559091 2020 -4.704212987872211 2021 8.461737439824162 2022 3.761153280598208