Year % of GDP 1995 2.254843656160106 1996 2.300278484121939 1997 2.067548679346442 1998 2.12467053420717 1999 1.6441067178998716 2000 1.7103055939333947 2001 2.120217678599322 2002 2.042899047670073 2003 1.8103835297138844 2004 1.6674814979164683 2005 1.6187862756445077 2006 1.84829606419639 2007 2.2959975271736686 2008 2.533200864130902 2009 2.0851332836543537 2010 1.56838192575063 2011 1.8814377419192077 2012 1.9018644003428304 2013 2.2223062571972565 2014 2.7487513379036974 2015 2.195880171202254 2016 2.242380585135356 2017 2.0903738882247342 2018 2.145052111610551 2019 1.725545472785087 2020 1.7225151326617072 2021 1.7890998100874256 2022 1.882489077414739 2023 1.9531523568045168