Year % of GDP 1990 39.22237380627558 1991 41.205089820359284 1992 54.5963776685131 1993 76.028025477707 1994 30.62820923405391 1995 53.407067204049106 1996 55.921100783136936 1997 53.044359307222244 1998 54.528279951171314 1999 41.85584487828137 2000 38.37773680083084 2001 37.31657762058846 2002 50.05030927835051 2003 65.54537186035122 2004 72.71810743007198 2005 52.900778598522656 2006 38.75825500634795 2007 28.512896458101938 2008 23.466759016573153 2009 23.1082959987641 2010 20.68126692570352 2011 24.081064475250567 2012 25.288389348911384 2013 26.260011687463475 2014 26.209668536841196 2015 34.80673041559397 2016 43.64966934325414 2017 41.85445094956055 2018 37.580282674923836 2019 36.767517906813744 2020 36.39431178275541 2021 29.79811851953581 2022 26.99542518737026 2023 34.57398246419876