Year Percent of GDP (Units) 1980 76.797 1981 89.686 1982 99.634 1983 110.287 1984 114.612 1985 119.388 1986 124.670 1987 129.228 1988 129.686 1989 126.408 1990 130.308 1991 131.797 1992 134.684 1993 138.926 1994 137.083 1995 131.287 1996 129.004 1997 124.271 1998 119.186 1999 115.363 2000 109.589 2001 108.217 2002 105.437 2003 101.659 2004 97.170 2005 95.142 2006 91.494 2007 87.325 2008 93.160 2009 100.217 2010 100.273 2011 103.495 2012 104.811 2013 105.486 2014 107.041 2015 105.230 2016 105.007 2017 102.022 2018 99.856 2019 97.613 2020 111.821 2021 107.979 2022 104.335 2023 104.460 2024 105.355 2025 107.087 2026 109.158 2027 111.531 2028 113.538 2029 115.584