Year Percent of GDP 1995 55.113 1996 60.669 1997 61.748 1998 110.538 1999 104.525 2000 61.51 2001 56.643 2002 51.399 2003 42.029 2004 33.014 2005 27.646 2006 24.857 2007 19.938 2008 15.68 2009 23.997 2010 22.321 2011 20.045 2012 20.495 2013 20.012 2014 25.624 2015 33.127 2016 31.91 2017 29.306 2018 27.113 2019 28.823 2020 30.655 2021 31.044 2022 32.042 2023 32.511 2024 32.989