Year % of GDP 1986 33.0550918196995 1987 31.080139372822302 1988 29.74059662775616 1989 34.99448261132667 1990 38.58896436658325 1991 35.71642744469214 1992 38.79781420765027 1993 41.22973377632648 1994 43.70372029977484 1995 44.061391398563515 1996 42.51128527106706 1997 42.153158409938044 1998 41.72795186930255 1999 40.07081026748879 2000 38.73464267761963 2001 38.62953074517708 2002 38.48387903584054 2003 37.98755548600277 2004 37.983551118610606 2005 42.56888121566607 2006 42.688483512549865 2007 42.83327545038415 2008 42.509159696469226 2009 43.443353753615646 2010 40.62737200322309 2011 38.90701453007474 2012 39.118840108731526 2013 40.54201012924196 2014 40.923609288148214 2015 42.193008772128714 2016 42.85449000730752 2017 42.58072431411436 2018 42.17091789088875 2019 42.468722777740346 2020 41.831160439569075 2021 41.25743996247836 2022 41.32235418296919 2023 42.53699822605212