Year % of GDP 1989 55.06642682246776 1990 61.55698264647127 1991 62.48226401739735 1992 61.174097221995794 1993 65.93810666696689 1994 66.4508221046157 1995 69.38159647570168 1996 69.00944821930011 1997 68.80727517362259 1998 67.71487467907497 1999 68.8219935182877 2000 67.66912829166345 2001 66.07572710934238 2002 65.241177481763 2003 66.08948027846279 2004 64.79266360863058 2005 63.58150506484609 2006 61.75462544373952 2007 61.73455682625424 2008 61.160033622484065 2009 61.91571733795307 2010 61.76060270415046 2011 60.93626722382884 2012 61.03890166696166 2013 61.78603437449519 2014 60.63577468601582 2015 61.14507360913476 2016 61.12433828499434 2017 60.25248509940966 2018 58.77418483370739 2019 59.759185685827866 2020 59.74952051831494 2021 58.227845389426456 2022 57.83576009949053 2023 59.81092102496752