Year	% of GDP
1970	67.7165956516989
1971	68.39655189169753
1972	68.09167380773333
1973	67.18336309340557
1974	66.18344316693155
1975	68.33673748465222
1976	69.47006664321151
1977	70.99444263422758
1978	69.70031202975149
1979	69.06867062850517
1980	65.68733721043488
1981	65.0278209269259
1982	66.18141346688927
1983	65.8355146255924
1984	63.72950091414176
1985	65.28035106560787
1986	70.4931329823066
1987	70.71907181582488
1988	70.20301648586624
1989	69.13027280578463
1990	69.16535197856669
1991	70.09747027858957
1992	71.88341309050749
1993	71.70777214429256
1994	71.12763334752496
1995	69.85613691911232
1996	68.4358739020283
1997	66.88269928329858
1998	69.86146570844465
1999	68.15453747957896
2000	61.26872930929832
2001	62.637836788986846
2002	66.24903701383184
2003	67.54783433235126
2004	64.94212087199817
2005	61.163063077949985
2006	58.655895105828606
2007	58.95205184024568
2008	56.56600442006228
2009	63.54844342283024
2010	62.95032799803174
2011	60.830184677264086
2012	60.052288203944784
2013	60.92255370372468
2014	62.4720726578986
2015	66.36266953082296
2016	69.51414217106033
2017	68.09138928284798
2018	65.834242255383
2019	68.00249768066551
2020	69.5811588655453
2021	60.06205926967845
2022	49.99104795040109
2023	59.44760393546904