Year	% of GDP
1977	9.714122803456855
1978	9.041314293049494
1979	9.732436891011238
1980	6.7812852696456805
1981	8.024125654358818
1982	7.607861577868234
1983	8.033871977772865
1984	8.098575689525761
1985	9.937488806348501
1986	9.516139888993127
1987	11.358537783404856
1988	12.322916193728608
1989	17.10882239918083
1990	14.34685111236803
1991	15.921480016946758
1992	17.977803243033126
1993	22.174418969187077
1994	34.321212564290526
1995	30.14906081702351
1996	24.27198392720925
1997	21.1716688864478
1998	20.768580696418724
1999	20.555786163214876
2000	17.77467740705244
2001	17.171496538016115
2002	16.652670535425308
2003	14.472141565106972
2004	19.325186618264713
2005	18.25775770393471
2006	16.12951545524686
2007	16.98704037970265
2008	14.434518654757394
2009	13.920513132875445
2010	17.699886905197037