Year	% of GDP
1979	8.70569049866964
1980	8.22556081522683
1981	8.56843395252838
1982	10.4623917047936
1983	11.2257231236227
1984	10.6845833716185
1985	10.6547262418214
1986	11.5393980258845
1987	12.492775767446
1988	12.0205999604272
1989	11.3092349303802
1990	10.9126946249168
1991	10.4897617315235
1992	9.19545800909663
1993	9.62749185404972
1994	9.86198105499083
1995	13.5061794850665
1996	9.42353030096018
1997	8.82908246388156
1998	8.48272266299267
1999	7.91928679028116
2000	7.46563783219142
2001	7.64641190487159
2002	7.68686260893417
2003	7.82192153612622
2004	11.9938672430746
2005	16.2063253809885