Year	% of GDP
1961	87.73006134969326
1962	74.12935323383084
1963	72.42990654205607
1964	72.39819004524887
1965	73.00884955752213
1966	71.07438016528926
1967	45.103092783505154
1968	24.777636594663278
1969	21.5
1970	21.53558052434457
1971	23.181454836131095
1972	27.62784090909091
1973	27.804014167650532
1974	16.728249780123132
1975	22.107128156190026
1976	29.266108786610882
1977	32.61513174745123
1978	36.87271665370136
1979	34.408693291973634
1980	29.412908378103676
1998	52.55318481202722
1999	47.13100869110195
2000	39.98655310354197
2001	42.422758286470405
2002	43.58180207524453
2003	43.665751207887205
2004	43.03120291912504
2005	37.10714439257591
2006	36.606024460463324
2007	39.022113224238616
2008	32.89631696513642
2009	41.10526513865186
2010	39.939175670268106
2011	37.01447757888166
2012	37.47571313380167
2013	39.73146637979896
2014	42.31345461074888
2015	50.1154825983089
2016	53.33264098037179
2017	52.02223265807638
2018	47.50682128240109
2019	50.67344016727999
2020	55.02413262948328
2021	50.526414102880715
2022	44.483279503556396