Year	% of GDP
1960	59.579950719867725
1961	62.72099758861872
1962	63.36181346853034
1970	77.74471973274234
1971	81.34191596599841
1972	86.88386188167254
1981	83.92373256416258
1982	87.32917922808801
1983	91.92545139942214
1984	93.99130100120351
1985	99.74900614384175
1986	109.93211966015748
1987	116.41573232845401
1989	125.38863387862325
1993	132.5189565778576
1994	133.2556000135829
1995	136.09263097635875
1996	136.64299609474662
1997	143.41991074671068
1998	150.7951445086418
1999	160.00442774237834
2000	155.16049253667657
2001	137.4067181631424
2002	132.72183042925218
2003	136.306428318446
2004	136.92198448326553
2005	139.51751392435423
2006	143.9186573471287
2007	145.87883123350142
2008	139.05051726564264
2009	144.8467524968536
2010	140.14237403243527
2011	134.3903176078508
2012	134.51199742919658
2013	136.23765943201877
2014	136.08414737449291
2015	139.18106767298627
2016	140.7332693531565
2017	142.5345875292868
2018	138.52138529458466
2019	145.3146592599213
2020	162.01735614616751
2021	159.76884273036654
2022	148.8868758026791
2023	154.84722332823225