Year % of GDP 1995 33.3835072549402 1996 36.12842471816593 1997 39.28736184924187 1998 39.630625285083184 1999 39.77621650808679 2000 43.4128865184747 2001 43.074289001339196 2002 42.971856283716924 2003 45.56494576242998 2004 49.342309030366465 2005 49.92247699560499 2006 54.198667810618495 2007 55.521270413028965 2008 55.09565237368648 2009 47.4038996733269 2010 53.10130891757918 2011 56.97819230403153 2012 58.06314856442868 2013 58.06359636724822 2014 59.149561097002135 2015 58.58792306276419 2016 58.82612917766369 2017 60.47864149420382 2018 61.18395292147317 2019 59.72283568685279 2020 56.08172216848373 2021 62.643075977743564 2022 70.50686220001745 2023 60.07135770186696