Year % of GDP 1990 24.883669169992952 1991 23.695687551028147 1992 27.458882245275106 1993 27.92321403686745 1994 29.421766461999667 1995 33.79176674146436 1996 34.42991819073885 1997 32.59082588542808 1998 31.0249723642137 1999 30.06711546425339 2000 31.19312036387881 2001 31.109065629209276 2002 29.768909639678004 2003 29.39090163388646 2004 28.76964750989459 2005 28.788462141325134 2006 28.443694364097798 2007 29.933232854855756 2008 29.248403358018827 2009 27.614811143255984 2010 27.148817767670874 2011 26.75486415038883 2012 26.155368469656477 2013 25.359882456621847 2014 25.403622744528814 2015 26.538047268785387 2016 24.94264492722655 2017 24.91627929637628 2018 26.299886466986806 2019 27.067642948335646 2020 26.547420264134768 2021 26.008112669157864 2022 26.798882291385173 2023 26.956529316606442