Year	% of GDP
1996	2.1854935495373153
1997	2.2612373960634518
1998	2.2287165874776416
1999	2.298519434719466
2000	2.234132685619694
2001	2.280379861912642
2002	2.2463191112241403
2003	2.3291900760012263
2004	2.3148707478267743
2005	2.39689101259065
2006	2.397395011392084
2007	2.3489808762351116
2008	2.3520160193081185
2009	2.248672034343822
2010	2.398396817240986
2011	2.328823756543057
2012	2.483685112261151
2013	2.276797124263457
2014	2.4750273549476964
2015	2.322933051610725
2016	2.3394407691107726
2017	2.315294818136894
2018	2.355176830406461
2019	2.3943419078327572
2020	2.579883437576426
2021	2.6797099232475716