Year Percent of GDP (Units) 1993 15.660 1994 14.972 1995 16.413 1996 17.083 1997 16.163 1998 17.858 1999 19.885 2000 19.030 2001 22.609 2002 19.545 2003 25.697 2004 27.276 2005 24.796 2006 20.925 2007 11.040 2008 8.693 2009 6.153 2010 10.077 2011 24.748 2012 19.770 2013 20.736 2014 25.078 2015 41.458 2016 40.820 2017 40.936 2018 45.765 2019 53.217 2020 61.818 2021 69.187 2022 70.200 2023 66.929 2024 64.310 2025 63.566 2026 62.829 2027 61.939 2028 60.992 2029 59.961