Year	% of GDP
1960	16.378712266388256
1961	17.629478610115008
1962	17.710061478731824
1963	18.75537502100203
1964	19.44070850645754
1965	20.22071245182633
1966	19.46965785871554
1967	18.51965872482486
1968	16.71273221071397
1969	16.902142428109627
1970	19.956399304691875
1971	19.35744156671536
1972	21.651698472169883
1973	22.280583179052808
1974	23.623882072398256
1975	21.462268582817252
1976	20.22345170829433
1977	18.348198480699743
1978	18.539848865237975
1979	19.393789189659564
1980	24.352342642584173
1981	23.538597590204347
1982	24.340361116535075
1983	26.637323900469124
1984	28.020902031015915
1985	26.505685238168102
1986	22.15283648120697
1987	22.458279321651304
1988	26.052627688138358
1989	22.42790451454297
1990	24.062901172029765
1991	16.27971529057641
1992	18.197660511842052
1993	20.292710612751787
1994	19.570395317461124
1995	20.736219784971272
1996	25.23936993938321
1997	28.896162163906915
1998	32.301366661336154
1999	35.39841868844159
2000	33.1630853231737
2001	32.99507737007982
2002	32.60788280695523
2003	30.092342266009236
2004	27.85632243980003
2005	29.650698762028682
2006	27.67424709829132
2007	32.51572928306625
2008	36.180040931685845
2009	36.66685291937171
2010	38.75943735648658
2011	38.15711815077994
2012	40.85644494855815
2013	44.48765852507525
2014	45.078412284079214
2015	48.20613084690958
2016	46.22677087099085
2017	47.57814235866504
2018	47.173716990189554
2019	49.05948196751428
2020	73.43863467560374
2021	60.54718013229513
2022	61.49810022733725