Year	% of GDP
1971	7.6842999458313
1972	7.58983993530273
1973	7.01386976242065
1974	6.66716003417969
1975	6.42131996154785
1976	6.69842004776001
1977	6.71091985702515
1978	7.07383012771606
1979	6.69220018386841
1980	6.46289014816284
1981	6.409019947052
1982	6.49725008010864
1983	6.85547018051147
1984	6.61841011047363
1985	6.18943023681641
1986	6.02058982849121
1987	6.29827976226807
1988	6.15022993087769
1989	6.07406997680664
1990	5.96922016143799
1991	6.85951995849609
1992	6.74663019180298
1993	7.67834997177124
1994	6.65829992294312
1995	6.30476999282837
1998	5.49377012252808
1999	5.53079986572266
2000	5.42331981658936
2001	4.95303010940552
2002	4.99308013916016
2005	5.468431711196899
2006	6.16402912139893
2007	5.50320482254028
2008	5.53306007385254
2009	5.790289878845215
2010	6.02318501472473
2011	5.881025075912476
2012	5.471293687820435
2013	5.399504899978635
2014	5.471794843673705
2015	4.843080043792725
2016	4.81154012680054
2017	5.04142498970032
2018	4.90893507003784
2019	4.88010501861572
2020	5.16169500350952
2021	5.092003107070925
2022	4.789785861968995
