Year	% of GDP
1962	0.113289760348584
1963	0.369318181818182
1964	0.651162790697674
1965	1.13293943870015
1966	1.43723554301834
1967	1.6234817813765199
1968	1.79408060453401
1969	1.82458100558659
1970	1.97302904564315
1971	3.46866359447005
1972	4.06217162872154
1973	3.4957789716039898
1974	3.62484157160963
1975	2.82293497363796
1976	3.18528402592451
1977	2.03606802466829
1978	1.96664990782638
1979	1.6872001744439602
1980	2.21722509557005
1981	1.88803627485176
1982	1.9759846301633002
1983	2.21853846153846
1984	2.6266990291262102
1985	2.66172914147521
1986	2.90591793751089
1987	2.5860002949634997
1988	2.45988196514221
1989	2.72997785771173
1990	2.9685262211412202
1991	2.50799847648067
1992	1.65917772135475
1993	1.93136675611518
1994	2.0157823478836603
1995	2.1015105327424397
1996	2.21091090169168
1997	2.11670724007935
1998	2.44235581316614
1999	2.65573403225382
2000	1.76460770822564
2001	1.6832451457488102
2002	1.63467473652418
2003	1.6916878457643902
2004	1.7661558302093299
2005	1.68432268847927
2006	1.50342601664363
2007	1.39447189004469
2008	1.34734497189712
2009	1.43231723283534
2010	2.46009387698207
2011	2.538786699798
2012	1.16543270533352
2013	1.3351931773384
2014	0.8851501583249091
2015	1.0431480253080299
2016	1.0432584327861099
2017	1.10546534823207
2018	1.2327130454036699
2019	1.74757281238647
2020	2.6802339714579
2021	2.57785468025078
2022	2.06007852417852