Year Percent of GDP (Units) 2000 74.318 2001 82.977 2002 86.687 2003 95.645 2004 89.810 2005 82.158 2006 54.375 2007 40.032 2008 36.785 2009 39.209 2010 37.637 2011 35.327 2012 35.394 2013 36.097 2014 37.603 2015 40.905 2016 46.490 2017 51.260 2018 53.076 2019 58.626 2020 77.971 2021 81.405 2022 80.355 2023 83.629 2024 86.652 2025 88.879 2026 90.940 2027 92.748 2028 94.495 2029 96.077