Year Percent of GDP (Units) 1995 9.247 1996 9.889 1997 10.396 1998 10.868 1999 11.620 2000 11.705 2001 11.757 2002 12.115 2003 11.899 2004 11.817 2005 11.575 2006 12.289 2007 12.503 2008 11.691 2009 10.980 2010 11.191 2011 11.684 2012 11.735 2013 11.830 2014 11.675 2015 11.109 2016 11.456 2017 11.393 2018 11.307 2019 11.205 2020 10.676 2021 12.365 2022 12.656 2023 12.683 2024 12.662 2025 12.889 2026 12.954 2027 12.968 2028 12.985 2029 12.970