Year Percent of GDP (Units) 1989 0.000 1990 0.000 1991 0.000 1992 0.000 1993 0.000 1994 0.000 1995 0.000 1996 0.000 1997 0.000 1998 0.000 1999 0.000 2000 145.020 2001 180.082 2002 163.513 2003 185.310 2004 122.591 2005 99.752 2006 94.725 2007 93.757 2008 69.598 2009 83.836 2010 43.487 2011 34.390 2012 30.198 2013 33.937 2014 42.323 2015 74.184 2016 84.635 2017 88.479 2018 71.223 2019 77.605 2020 102.514 2021 97.764 2022 92.502 2023 100.837 2024 94.605 2025 89.392 2026 83.553 2027 76.949 2028 69.112 2029 59.486