Year Percent of GDP (Units) 1990 7.545 1991 6.994 1992 6.725 1993 6.199 1994 5.861 1995 14.199 1996 13.675 1997 15.383 1998 20.845 1999 25.717 2000 25.745 2001 26.076 2002 28.379 2003 32.452 2004 29.396 2005 24.193 2006 20.252 2007 16.345 2008 12.563 2009 21.363 2010 30.011 2011 32.802 2012 36.208 2013 43.938 2014 44.398 2015 66.176 2016 81.326 2017 88.129 2018 94.607 2019 101.635 2020 130.115 2021 127.130 2022 116.867 2023 124.596 2024 125.972 2025 128.684 2026 131.836 2027 134.848 2028 137.888 2029 140.888