Year	% of GDP
1981	61.163909728553456
1982	61.987279132662955
1983	60.57583739677541
1984	66.43207648811206
1985	71.70431490336459
1986	71.17400561825148
1987	68.36572529320938
1988	67.63949554102801
1989	67.3427593142086
1990	67.8866538967655
1991	70.66647660496021
1992	72.36131517592838
1993	72.63818991643252
1994	71.085294454074
1995	70.96865249853052
1996	70.27429512588769
1997	69.59700286421473
1998	72.05297404824925
1999	72.32126900412948
2000	71.71788084519176
2001	72.90246350313856
2002	73.10427177661349
2003	73.50465870778727
2004	73.59967103428954
2005	73.95388051559671
2006	73.27738632776861
2007	72.25637785976521
2008	73.18582451875449
2009	73.18921981194495
2010	70.19245275809772
2011	72.13141019527698
2012	72.55498271762852
2013	72.01076248969115
2014	71.27402058381821
2015	72.47288809442881
2016	72.55358837448075
2017	72.18164786519468
2018	72.54282185862573
2019	73.2064393375695
2020	75.06904806674282
2021	75.26060812441546
2022	75.92534462206716
2023	76.51888043693428