Year % of GDP 1994 11.505603617774282 1995 11.43649852034723 1996 11.436499643048048 1997 11.221841858484064 1998 12.069279016078616 1999 10.700073904400393 2000 9.296022748515368 2001 9.406456128868786 2002 9.313522924426607 2003 9.299795233652132 2004 9.1177425386283 2005 9.942766707360692 2006 10.017787215401412 2007 10.811073207634893 2008 11.01227909999642 2009 10.477540426161877 2010 10.884808040208993 2011 10.91601273320361 2012 10.545110406553025 2013 10.937116790422737 2014 10.940195399639041 2015 11.117791465417778 2016 11.813826517370417 2017 12.563982327679007 2018 12.731952399653878 2019 12.480014254065244 2020 12.661839329743824 2021 13.986301153248412 2022 14.371383906041524 2023 13.049789155942843