Year Percent of GDP (Units) 1995 9.303 1996 10.517 1997 10.512 1998 11.401 1999 10.690 2000 10.675 2001 11.145 2002 12.236 2003 11.861 2004 13.308 2005 14.024 2006 46.242 2007 16.651 2008 17.985 2009 13.761 2010 13.309 2011 13.136 2012 15.811 2013 18.516 2014 17.514 2015 17.491 2016 14.898 2017 15.393 2018 18.150 2019 18.004 2020 17.550 2021 18.355 2022 14.811 2023 10.518 2024 15.472 2025 16.927 2026 17.245 2027 17.762 2028 17.652 2029 17.816