Year Percent of GDP 1993 16.194 1994 15.878 1995 17.697 1996 18.789 1997 17.995 1998 20.447 1999 20.85 2000 18.59 2001 21.909 2002 19.445 2003 25.016 2004 26.955 2005 24.001 2006 19.528 2007 10.671 2008 8.538 2009 8.77 2010 13.084 2011 20.725 2012 18.047 2013 21.533 2014 24.034 2015 33.534 2016 36.579 2017 39.178 2018 43.308 2019 49.6 2020 53.545 2021 57.607 2022 61.132 2023 64.767 2024 68.807