Year	% of GDP
1996	0.872959971427917
1997	0.806789994239807
2003	0.324050009250641
2004	0.349029988050461
2005	0.398649990558624
2006	0.406219989061356
2007	0.545570015907288
2008	0.534630000591278
2009	0.525569975376129
2010	0.366499990224838
2011	0.337639987468719
2012	0.349070012569427
2013	0.297829985618591
2014	0.314630001783371
2015	0.307350009679794
2016	0.280039995908737
2017	0.257889986038208
2018	0.256260007619858
2019	0.241449996829033
2020	0.235109999775887
2021	0.231539994478226
2022	0.231220006942749
