Year	% of GDP
2000	0.5705657336576465
2001	0.5411183901029792
2002	0.5301651142471762
2003	0.5653197869388987
2004	0.5701965898318427
2005	0.6232572599954967
2006	0.6149592641330672
2007	0.6815705054939347
2008	0.7336120298056451
2009	0.77674133903219
2010	0.8207316836557531
2011	0.7740208124273339
2012	0.7445985397558792
2013	0.7730803062859913
2014	0.8076946050155603
2015	0.8113314630623031
2016	0.7632974502758832
2017	0.6845746172542824
2018	0.6773771937048817
2019	0.6887848413156165
2020	0.648087423574171