Year	% of GDP
1977	60.071249101141625
1978	61.035075948594596
1979	58.85953259007547
1980	62.54043724777222
1981	60.45429820589261
1982	60.19408993241221
1983	60.84782950729837
1984	62.34555149152197
1985	62.673361974144505
1986	63.00534639943989
1987	59.82105761156491
1988	59.56575289518163
1989	61.50710351642093
1990	63.08244315974822
1991	61.57827453927196
1992	63.53586172604573
1993	65.26228734278557
1994	65.39273838436668
1995	65.24578569744654
1996	65.3013256100044
1997	64.43882254527418
1998	64.77591028853024
1999	64.1712743712605
2000	64.70566115512366
2001	66.73827691203661
2002	65.49959877571587
2003	64.62227127474942
2004	66.3973842562055
2005	61.56034078807242
2006	63.8382260659707
2007	64.98692642914577
2008	66.68323217878306
2009	69.60303854509414
2010	68.36588622978856
2011	69.14529792567436
2012	70.46692102533709
2013	69.73983218098783
2014	68.27601339271202
2015	66.76275669410681
2016	66.93238627840205
2017	67.02222514682416
2018	66.02541918154428
2019	66.86495279894763
2020	66.81255568452475
2021	65.22087638047738
2022	64.31453320267605
2023	64.30358308807246