Year % of GDP 1990 12.227727053707113 1991 11.918973516870084 1992 14.145547415249332 1993 17.87421125971082 1994 20.188765374155345 1995 21.680320099385696 1996 21.81110802334352 1997 20.859942694439205 1998 16.877503224492564 1999 31.06607034015378 2000 29.522812121797443 2001 27.693305927888247 2002 25.883539604942058 2003 25.073713622576292 2004 22.861071023933878 2005 22.406050298127813 2006 21.43929730838298 2007 20.09571882320208 2008 18.18054659558217 2009 23.868654974747134 2010 28.66210102723054 2011 30.09344793046352 2012 39.43866550466002 2013 37.55574996178725 2014 41.71288901946934 2015 46.4657885326389 2016 54.64430213100445 2017 53.26422178747262 2018 54.429696919754 2019 60.141986685414984 2020 69.21905594986994 2021 69.90771702440661 2022 57.97474821287825