Year	% of GDP
2000	2.1572194258385218
2001	2.40349361161325
2002	2.3621322208935194
2003	2.2489544943109805
2004	2.096793390889475
2005	1.9585797564168916
2006	1.9887301860703335
2007	2.038077590072996
2008	1.947244011498567
2009	2.5950825463113483
2010	2.304619383378583
2011	2.3279388309182534
2012	2.3270711205329597
2013	2.4924123263016353
2014	2.7609554396276317
2015	2.9492921369359952
2016	3.26498766747064
2017	3.1044182701002936
2018	2.9164458238521873
2019	3.002514883592153
2020	3.6631769050902117
2021	3.380053063491399