Year	% of GDP
1996	0.639370024204254
1997	0.643149971961975
1998	0.659709990024567
1999	0.6805499792099
2000	0.640779972076416
2001	0.6215900182724
2002	0.556749999523163
2003	0.538060009479523
2004	0.552500009536743
2005	0.562780022621155
2006	0.55102002620697
2007	0.561930000782013
2008	0.599439978599548
2009	0.661059975624084
2010	0.726189970970154
2011	0.752210021018982
2012	0.889970004558563
2013	0.884829998016357
2014	0.950760006904602
2015	1.00423002243042
2016	0.968209981918335
2017	1.03785002231598
2018	1.20609998703003
2019	1.32334995269775
2020	1.38608002662659
2021	1.43585002422333