Year Percent of GDP (Units) 1995 44.940 1996 51.049 1997 60.307 1998 65.829 1999 69.208 2000 63.900 2001 69.746 2002 64.826 2003 68.248 2004 70.464 2005 69.902 2006 64.277 2007 61.907 2008 61.827 2009 66.341 2010 65.473 2011 70.016 2012 66.636 2013 66.442 2014 62.087 2015 56.250 2016 54.735 2017 47.798 2018 43.408 2019 40.011 2020 52.239 2021 53.930 2022 51.631 2023 51.771 2024 53.570 2025 54.983 2026 56.274 2027 56.225 2028 56.089 2029 55.947