Year Percent of GDP 1997 116.363 1998 103.892 1999 107.843 2000 102.27 2001 98.379 2002 87.058 2003 77.934 2004 78.4 2005 80.399 2006 79.441 2007 73.997 2008 70.828 2009 64.242 2010 63.048 2011 69.153 2012 45.041 2013 43.36 2014 44.79 2015 47.266 2016 48.393 2017 49.839 2018 52.202 2019 50.918 2020 49.111 2021 48.382 2022 47.402 2023 46.754 2024 47.202