Year % of GDP 1989 32.14029597757351 1990 28.74251497005988 1991 23.97993311036789 1992 21.98887343532684 1993 26.190877637870685 1994 38.555154684993546 1995 50.15644699340125 1996 48.20471301169052 1997 43.65019000696193 1998 44.161881219966276 1999 48.247916238634794 2000 55.43865824854651 2001 49.27713981295134 2002 45.87593641356807 2003 50.047051612554306 2004 51.28487682634864 2005 46.917837424151315 2006 45.96242951551986 2007 46.75664952749678 2008 50.91202328578681 2009 44.54733792165501 2010 49.273192127326354 2011 55.39891697018481 2012 55.23995679516632 2013 51.10428678290646 2014 52.09882066777364 2015 55.208936789932736 2016 56.22258545540372 2017 55.91006655984264 2018 53.964579409274826 2019 49.27954303507143 2020 40.3348060859881 2021 42.00962088658115 2022 51.951398652520254 2023 49.51209308906249