Year Percent of GDP (Units) 1995 100.754 1996 83.447 1997 72.227 1998 70.099 1999 78.367 2000 85.991 2001 84.021 2002 92.027 2003 79.535 2004 80.943 2005 58.973 2006 22.504 2007 22.098 2008 18.280 2009 18.492 2010 18.816 2011 18.717 2012 19.086 2013 26.065 2014 28.308 2015 32.369 2016 36.547 2017 41.317 2018 44.953 2019 49.870 2020 65.648 2021 66.660 2022 61.086 2023 62.051 2024 69.945 2025 71.657 2026 71.620 2027 69.879 2028 65.492 2029 61.756