Year Percent of GDP (Units) 1990 73.508 1991 76.351 1992 79.023 1993 71.193 1994 70.691 1995 69.823 1996 71.272 1997 70.787 1998 84.646 1999 85.320 2000 82.256 2001 94.471 2002 96.310 2003 99.131 2004 95.691 2005 92.663 2006 86.524 2007 87.789 2008 97.853 2009 101.689 2010 98.674 2011 103.130 2012 106.725 2013 98.185 2014 97.749 2015 102.239 2016 106.458 2017 107.772 2018 109.354 2019 127.767 2020 148.137 2021 142.907 2022 158.247 2023 162.142 2024 162.492 2025 163.134 2026 163.781 2027 164.472 2028 165.199 2029 165.636