Year	% of GDP
1972	12.445223488168274
1973	13.815263422868481
1974	15.96936869630183
1975	16.555269922879177
1976	17.89004765075937
1977	17.721598889046692
1978	17.893255957091355
1979	20.283899654649122
1980	21.779838356544186
1981	21.94643419031225
1982	20.05614378712315
1983	18.82286533075704
1984	17.484389143390143
1985	18.750897374177583
1986	14.620769821124005
1987	15.08369459584399
1988	15.083938051353648
1989	15.957201825286644
1990	19.13708376193524
1991	17.189696909477327
1992	17.12295269629393
1993	14.35642033163137
1994	15.948419194510382
1995	14.964772269991183
1996	14.234801940785028
1997	16.01184841447083
1998	15.027588180425184
1999	16.315835609343225
2001	11.578184583574782
2002	11.826959589169899
2003	12.385532064309299
2004	12.330767895235276
2008	13.310617826992244
2009	11.057786518800993
2010	10.537485061296378
2011	11.158127850744522
2012	11.380589944792094
2013	11.28530146339869
2014	10.835523753290548
2015	10.75348777720959
2016	10.336348703327605
2017	9.877293080378802
2018	10.23014302113196
2019	9.75196180827865
2020	8.31010524192246
2021	9.094009978833524
2022	11.604841699128407