Year	% of GDP
1961	1.5370082370896678
1962	2.0918943726934396
1963	1.8823609644992008
1964	2.4561365754045457
1965	2.4864241556227844
1966	2.5071203340594255
1967	2.3594667809502523
1968	2.354975422752869
1969	2.3998215082739596
1970	2.3205300839981104
1971	2.483019056022142
1972	2.465610015197729
1973	2.6388895947409874
1974	3.0542869315856587
1975	3.603414582198363
1976	4.1277812811559675
1977	4.580814450690364
1978	4.836551087057724
1979	4.500580015745182
1980	3.744559806489063
1981	3.8465869531033317
1982	3.968381405561329
1983	3.968658515420535
1984	3.976300489243874
1985	3.893673621841152
1986	4.101305490128293
1987	4.046505490437192
1988	4.378748951861125
1989	4.342689627624663
1990	4.148279084323267
1991	3.587643702992413
1992	2.838008183422959
1993	3.1017419482219393
1994	2.6176580768612725
1995	2.1395429574438576
1996	1.8312309935795634
1997	1.8260082363035184
1998	1.8271856674748408
1999	2.277841734803911
2000	2.003120462626204
2001	1.9597349302809202
2002	2.0237977371277136
2003	1.7704859372297626
2004	1.863809282978133
2005	1.6759800689235695
2006	1.70430501088565
2007	1.6665143435421093
2008	1.9293705728888655
2009	1.9140918414815757
2010	1.5351539436558295
2011	1.5010884605496813
2012	1.5338125106139062
2013	1.7296268184962698
2014	1.759086770047517
2015	1.5351989624498816
2016	1.2745762437976282
2017	1.2723761103207205
2018	1.1187611677769502
2019	1.0739767710142183
2020	1.10276155271469
2021	1.0058349822050043
2022	1.000079909586295