Year % of GDP 1989 55.08695224170934 1990 57.477557216593624 1991 60.65191023836913 1992 61.03868417911552 1993 59.69879350149988 1994 58.35652864331025 1995 60.00229155594587 1996 60.12565593650756 1997 59.298657666592824 1998 59.90110640831453 1999 59.515613598394054 2000 56.91130343454698 2001 57.48665589322696 2002 56.387809485212856 2003 56.69329456744876 2004 58.25796160629729 2005 57.31601228636464 2006 55.17368741402433 2007 54.60894605120681 2008 55.2777463456014 2009 56.24539278162778 2010 55.096721485557865 2011 53.95349566739899 2012 53.4208302008807 2013 53.74078224086398 2014 54.032905770241925 2015 54.29806858758815 2016 54.71819045488553 2017 54.119366601090114 2018 53.86149649474429 2019 52.936309110327116 2020 54.645423079488545 2021 52.653227280311796 2022 50.50102419356913 2023 52.39225421650641