Year	% of GDP
1994	2.176829886947819
1995	2.556635998042413
1996	2.398476441493722
1997	2.4045900584482487
1998	2.477556171778291
1999	2.192712671104312
2000	2.1854843750796276
2001	2.1360806020678154
2002	2.8657875624703104
2003	3.4081747431177507
2004	2.9581853732774555
2005	2.936959221460711
2006	3.1617138007679184
2007	3.4654839851500516
2008	3.147870232322119
2009	2.9238701383622274
2010	2.7658594899169375
2011	2.7902374100985363
2012	2.5759208947564116
2013	2.4208837205189617
2014	2.436607148206639
2015	2.7858981643868295
2016	2.065994353556161
