Year Percent of GDP (Units) 2001 51.418 2002 55.193 2003 69.364 2004 72.951 2005 75.159 2006 71.649 2007 66.716 2008 64.911 2009 70.001 2010 68.807 2011 66.683 2012 63.717 2013 63.197 2014 61.923 2015 64.987 2016 70.426 2017 78.094 2018 78.820 2019 78.495 2020 103.032 2021 82.340 2022 67.055 2023 66.156 2024 62.921 2025 61.130 2026 60.011 2027 58.887 2028 57.793 2029 56.688