Year % of GDP 1995 5.456929387322616 1996 5.374177097882551 1997 4.986927491127321 1998 5.345743014419998 1999 4.656681498108917 2000 4.3514972038438735 2001 4.421083806243164 2002 4.362234522735984 2003 4.1595628855057685 2004 3.855086408209364 2005 3.5671045262929724 2006 3.3518497959913485 2007 3.2511727839681854 2008 3.0777848393327787 2009 3.1025493326155287 2010 3.2357398245930056 2011 3.237631317138931 2012 3.1686357207726794 2013 3.0895358502907597 2014 3.030770663127216 2015 3.062290892482885 2016 2.9286171138762715 2017 2.7491457899701905 2018 2.647327360379053 2019 2.695296415707044 2020 2.895918367643863 2021 2.7478083476352664 2022 2.74760022724321 2023 2.6878350382525573