Year Percent of GDP 1990 7.545 1991 6.994 1992 6.725 1993 6.199 1994 5.861 1995 14.199 1996 13.675 1997 15.383 1998 20.845 1999 25.717 2000 25.745 2001 26.076 2002 28.379 2003 32.452 2004 29.396 2005 24.193 2006 20.252 2007 16.345 2008 12.563 2009 21.363 2010 29.707 2011 32.803 2012 36.213 2013 43.945 2014 44.397 2015 66.019 2016 81.296 2017 88.238 2018 93.373 2019 100.189 2020 103.615 2021 106.206 2022 108.652 2023 111.178 2024 113.775