Year % of GDP 1995 6.114044322360361 1996 3.303709448106501 1997 3.843399416013524 1998 4.7779574281674995 1999 5.993311623476282 2000 7.396241779881187 2001 7.4983223853760865 2002 7.853520718011977 2003 8.636985597892144 2004 9.764066397316155 2005 14.710793634017158 2006 19.3840249903876 2007 27.852600895138462 2008 33.08708692882348 2009 30.950110983892472 2010 29.83765259572649 2011 30.523353268514885 2012 32.36748805189168 2013 36.75091898920447 2014 41.621943495993946 2015 43.984070047101426 2016 49.29868800580691 2017 51.69546273055854 2018 56.4509891098001 2019 62.15517334239935 2020 75.97884140466327 2021 70.0330956698019 2022 60.327912293248566 2023 63.83874371154413