Year % of GDP 1995 27.29963250892033 1996 30.311590344272847 1997 31.048436876521794 1998 29.142085091076897 1999 30.145163963604656 2000 35.09903406574523 2001 37.140870920405156 2002 35.89118845776259 2003 35.53546818090429 2004 36.545173513745446 2005 36.39249688443 2006 37.53169455221585 2007 37.4471438214515 2008 35.94691068464308 2009 32.2161417564568 2010 35.58714235979442 2011 38.12238387427543 2012 38.7960029743558 2013 39.639651355697794 2014 42.50098043918914 2015 45.420175395834576 2016 46.54123750895795 2017 48.79497585990722 2018 48.955982819695826 2019 50.16314506581556 2020 41.09416749248418 2021 49.35389898417139 2022 58.8371599790568 2023 54.025603298637606