Year % of GDP 1989 29.613177195186996 1990 19.882366135422068 1991 26.218653507491656 1992 28.469445105442208 1993 29.631888786236953 1994 28.839445589903693 1995 25.592054684673194 1996 22.880375820954427 1997 23.83964532309271 1998 23.019426334917885 1999 32.391508504827996 2000 30.21475205708691 2001 31.65870787428911 2002 30.55837714233426 2003 31.936101715920184 2004 33.453735129153394 2005 32.69106812547563 2006 29.7270256542002 2007 30.962961453342576 2008 31.11775275139687 2009 30.083836919399516 2010 28.27738027242847 2011 29.027827620888747 2012 30.272464322986973 2013 31.110115659272935 2014 30.23576838132498 2015 25.14208152934751 2016 24.945443727216965 2017 25.831840727225142 2018 26.53491441663241 2019 26.440705617122255 2020 22.9969563855843 2021 26.191349379754026 2022 27.04868017461026 2023 27.744177048062664