Year Percent of GDP (Units) 1990 54.099 1991 56.856 1992 53.979 1993 53.358 1994 55.903 1995 57.424 1996 53.682 1997 47.745 1998 56.274 1999 61.819 2000 68.858 2001 98.505 2002 97.875 2003 94.918 2004 86.163 2005 82.009 2006 77.362 2007 71.765 2008 64.358 2009 62.507 2010 66.829 2011 69.681 2012 73.107 2013 73.927 2014 72.127 2015 68.873 2016 76.538 2017 84.011 2018 85.631 2019 97.678 2020 112.458 2021 108.475 2022 102.853 2023 97.223 2024 98.678 2025 95.892 2026 93.826 2027 91.674 2028 89.657 2029 87.432