Year Percent of GDP (Units) 2000 0.234 2001 0.112 2002 0.112 2003 21.379 2004 17.430 2005 9.082 2006 -2.860 2007 -8.147 2008 -11.233 2009 -17.615 2010 -4.686 2011 1.773 2012 -3.112 2013 -2.280 2014 -4.262 2015 1.130 2016 6.819 2017 10.422 2018 16.903 2019 21.410 2020 20.622 2021 21.857 2022 31.082 2023 27.791 2024 24.131 2025 25.650 2026 27.719 2027 30.205 2028 32.154 2029 32.968