Year % of GDP 1995 8.222543692122832 1996 17.929511696128547 1997 21.032744845267448 1998 23.553853870624465 1999 15.315374684488209 2000 13.709140056041758 2001 35.86039166198513 2002 36.77219315494986 2003 38.02434005635474 2004 49.09317210201227 2005 45.05195107006881 2006 47.466005353606036 2007 48.31537048510687 2008 50.23634796975854 2009 39.67404133925247 2010 44.47555580289593 2011 45.807214229425924 2012 49.62602011901184 2013 48.06876647244655 2014 50.15388956528207 2015 52.21852485332398 2016 53.342931424792305 2017 57.056190468668554 2018 59.06030441329375 2019 60.943674349755774 2020 56.49997839921899 2021 62.88343586648673 2022 74.81037611826777 2023 64.38742898154256