Year	% of GDP
1995	20.9564060913835
1996	28.4630607439964
1997	34.540590142028
1998	35.3920553388442
1999	33.8036206757633
2000	40.2699372797484
2001	54.5997420162053
2002	54.9132735325673
2003	55.4512530291257
2004	56.2363408327294
2005	57.7424182717926
2006	62.5192789433395
2007	67.4647850828325
2008	65.2847927576863
2009	68.1123398980482
2010	77.2325832862301
2011	77.4152592856711
2012	69.8083846388976
2013	68.5911277443927
2014	69.2469896794513
2015	70.7796026472523
2016	71.5402514529464
2017	71.3816191120864
2018	74.0405804528809