Year Percent of GDP 2000 46.846 2001 38.971 2002 40.837 2003 42.216 2004 40.641 2005 43.566 2006 45.272 2007 41.512 2008 39.767 2009 37.819 2010 34.186 2011 36.296 2012 36.685 2013 37.6 2014 38.349 2015 31.193 2016 33.22 2017 30.769 2018 28.804 2019 27.896 2020 27.859 2021 27.574 2022 27.318 2023 28.094 2024 29.017