Year	% of GDP
1977	55.65217391304348
1978	58.085055261893324
1979	65.88874663197521
1980	61.70149030180484
1981	62.31335436382754
1982	59.06354938858265
1983	57.381117266851334
1984	65.43530449267551
1985	62.85172417166045
1986	63.52679474216381
1987	63.6588085356967
1989	62.525146962769426
1990	62.82564750473784
1991	65.92685686367787
1992	64.59729816661306
1993	66.6830530401035
1994	65.3899969315741
1995	68.06386701662292
1996	69.63812690495982
1997	59.35543778306982
1998	60.53368690017297
1999	58.01373526621351
2000	57.291118520838936
2001	60.54103053320398
2002	56.75046953325917
2003	57.90696599470806
2004	58.48404634197249
2005	59.42945446412232
2006	61.53187931839976
2007	60.415281484676505
2008	61.25498764962949
2009	60.59130671731804
2010	61.682330007844875
2011	62.96938071287778
2012	63.566065015624275
2013	64.9714307701187
2014	65.46413828924467
2015	64.57132086464071
2016	65.1522762684013
2017	67.38254594784541
2018	66.8526768021053
2019	61.28363116731458
2020	65.47870097005483
2021	70.78785106738559
2022	66.03483450564843
2023	67.45684695051783