Year	% of GDP
1996	2.1282593699140064
1997	2.155988936730427
1998	2.1615752332301534
1999	2.2346798624397173
2000	2.293135625535409
2001	2.324151301096201
2002	2.265415133409307
2003	2.236271948697124
2004	2.1816618856019168
2005	2.1886863720287875
2006	2.210381260729118
2007	2.2061115795700545
2008	2.2709097836116543
2009	2.350763363210583
2010	2.322879188451748
2011	2.3151882567437525
2012	2.3336732324323273
2013	2.3303461948357174
2014	2.427024248245763
2015	2.4626917337207432
2016	2.519792059633267
2017	2.551008526583331
2018	2.6250463161516557
2019	2.7050647175315166
2020	2.8954537879149855
2021	2.871958640601196