Year	% of GDP
1977	30.83389736445573
1982	31.50493247880647
1983	33.092181347601084
1984	34.17078930312078
1985	36.00038886502826
1986	38.70931250374676
1995	44.71293033379559
1996	46.09118811857575
1997	45.69515519774312
1998	45.110607320912294
1999	49.29963297698793
2000	49.22079689507272
2001	47.883539829905494
2002	51.16475588626554
2003	54.435919334148636
2004	53.827699955801585
2005	52.67935648759342
2006	54.38533947327714
2007	57.627280914954795
2008	57.7112305731569
2009	67.08684322729037
2010	68.403637512099
2011	69.40913950301115
2012	73.7410862821011
2013	78.14271168749018
2014	83.70332755338352
2015	92.34028654260379
2016	94.02985661360746
2017	93.8548608252938
2018	97.46922835175071
2019	101.31319544293925
2020	114.8677496186202
2021	112.64336220370593
2022	124.06420726423755
2023	129.59798654256798
