Year	% of GDP
1985	8.258114092412113
1986	8.019954528986878
1987	7.949052567138952
1988	7.2805514762364
1989	7.094743204759109
1990	7.236224593293432
1991	7.932729575099076
1992	8.899788616392673
1993	9.516345400539834
1994	10.045468427208885
1995	9.722329494095854
1996	12.293852523875415
1997	12.620346024981577
1998	13.546529150729478
1999	12.03978518659252
2000	12.330802881141238
2001	11.7825460461138
2002	13.184104976033229
2003	12.973000318332534
2004	15.016348801467133
2005	16.215164102759726
2006	16.81616816238744
2007	16.9648657379261