Year % of GDP 1989 39.12840019994398 1990 40.933943570707 1991 44.0615972806026 1992 46.0501444176036 1993 48.246140333559865 1994 47.353482170743476 1995 49.77966173396552 1996 49.41381974632871 1997 46.74804256620367 1998 43.806050457399515 1999 40.162130140505425 2000 35.442235313140976 2001 52.871820716324294 2002 53.88700603506205 2003 55.82526848539412 2004 55.82034127224708 2005 55.64433970450719 2006 54.42782298963208 2007 54.2510771194272 2008 62.236089265269605 2009 73.90827191483204 2010 82.24811929042642 2011 86.52209097959411 2012 90.41140872910672 2013 91.72626536033937 2014 91.70002234952877 2015 92.54407066066372 2016 94.35116397810293 2017 93.3880477010468 2018 94.5823220001932 2019 96.12707224362666 2020 120.44900821500912 2021 114.80621563394085 2022 106.20461139284023