Year % of GDP 1989 22.160737943629353 1990 21.886601075700312 1991 21.942124972614145 1992 22.281955258000217 1993 22.00784973767545 1994 21.41671207088491 1995 22.539229513804614 1996 23.18080638495121 1997 23.15256940927475 1998 23.678455736234348 1999 22.27135211823013 2000 21.658862485315638 2001 21.267876044526464 2002 22.188277007059707 2003 22.49074465567709 2004 22.821255650341428 2005 24.48969671713804 2006 27.085773424974548 2007 27.436033450932186 2008 26.846769531258936 2009 22.517075252592786 2010 22.5178513010865 2011 22.53954393776332 2012 24.043366385904598 2013 23.54496157331214 2014 22.04395933474154 2015 22.163950405747563 2016 23.284413743952808 2017 24.285319564434957 2018 24.78367625943172 2019 24.173751524111598 2020 25.24568187321181 2021 23.70406264333302 2022 22.807859561425374 2023 22.91791231124728