Year	% of GDP
1962	21.5199887868105
1963	21.2266919878781
1964	21.3630989092752
1965	24.0989017688712
1966	24.2095574687543
1967	25.3534419236244
1968	26.3010614315736
1969	27.7359201622637
1970	28.9482079516776
1971	31.1877937231296
1972	33.1857172969399
1973	33.8156676874274
1974	31.0603516870361
1975	34.9523533311806
1976	36.8184392009124
1977	38.5003469440857
1978	38.4351210247073
1979	40.1643818211553
1980	40.4509641859779
1981	41.6389269182972
1982	46.8533280894782
1983	48.73447434791
1984	49.1742826401768
1985	50.6967463707914
1986	56.94109411785
1987	56.25294745094
1988	70.0303849229773
1989	81.952646109076
1990	56.8193845143025
1991	56.6920687256792
1992	60.8579639355982
1993	66.5403700851256
1994	56.8974655328442
1995	54.1853212001301
1996	55.9874346202746
1997	59.7641122183226
1998	61.88036617569
1999	64.4719357723968
2000	63.5516128282299
2001	66.5742765577058
2002	73.5700404268925
2003	75.252427311061
2004	70.6751861948976
2005	68.5412096406844
2006	69.3432124768701
2007	70.5549904388549
2008	71.0191303321458
2009	83.7308258999189
2010	84.538319714209
2011	86.5897648713609
2012	92.1079543157747
2013	97.1716322297786
2014	101.221434402347
2015	118.092381966997
2016	129.326891576622
2017	129.573380361632
2018	141.238009347809