Year Percent of GDP (Units) 2000 62.198 2001 67.331 2002 76.095 2003 71.514 2004 68.025 2005 66.969 2006 64.599 2007 63.025 2008 61.420 2009 64.702 2010 62.433 2011 60.634 2012 61.614 2013 59.595 2014 61.617 2015 71.730 2016 77.422 2017 82.745 2018 84.777 2019 87.118 2020 96.007 2021 88.934 2022 83.939 2023 84.675 2024 86.724 2025 89.306 2026 90.919 2027 92.384 2028 93.406 2029 93.934