Year	% of GDP
1960	94.76334052377517
1961	97.45068680558362
1962	105.04193016736585
1963	100.49870167770433
1964	104.4769316601026
1965	92.29708940979198
1966	96.1651453437772
1967	96.57961154409291
1968	94.453125
1969	95.30888722480012
1970	86.67026221987248
1971	90.35564870686854
1972	84.93468637166978
1973	103.37484689893984
1974	78.12067143223022
1975	86.28839329007042
1976	77.75044269136889
1977	117.53053767441861
1978	101.65137771253822
1979	128.42513380077907
1980	113.10765875093709
1981	115.9593738121146
1982	112.77864153069288
1983	126.37704351390589
1984	122.42623112781715
1985	83.24310794821858
1986	98.68800280347867
1987	90.40133397599169
1988	92.27988973336167
1989	98.86222106768315
1990	99.99775119055201
2013	132.39944088335923
2014	131.1765021074271
2015	130.64305578338778
2016	130.8140055074202
2017	131.21513942979993
2018	133.03332323781737
2019	130.78746653734646
2020	134.7624792109069
2021	131.93589167632004
2022	135.3093391512726
2023	133.44642693546226