Year	% of GDP
1962	21.5885811227659
1963	21.941145865958
1964	21.6335069370978
1965	24.6577648859724
1966	25.059809676852
1967	26.199171516626
1968	27.2736388716759
1969	28.8674149974208
1970	30.0231661242598
1971	32.0460899892238
1972	33.7147465416017
1973	33.8195172459783
1974	31.3169793361464
1975	35.4411164880482
1976	37.3206462824141
1977	39.0773336254768
1978	39.019004919089
1979	40.7756123968031
1980	40.902328255367
1981	41.9817140540561
1982	46.6540808342862
1983	48.5903424835914
1984	48.6139049336217
1985	50.235148119363
1986	57.1140960938043
1987	56.562598936775
1988	71.2693229100602
1989	83.8389689699717
1990	58.3581368504637
1991	58.3935873348698
1992	62.7371535207823
1993	68.5388668377044
1994	58.3108215550124
1995	55.7136789900312
1996	57.5729952407288
1997	61.4713351858599
1998	63.6676393089525
1999	66.2696841486806
2000	65.4565263278874
2001	68.4134916272838
2002	75.9530369685639
2003	77.7811768663031
2004	72.9407550524924
2005	70.649262741371
2006	71.3884386049804
2007	72.3979848739784
2008	72.2239408181011
2009	85.6454098884168
2010	86.3126746398787
2011	88.3724215431718
2012	94.0528140912064
2013	99.3332877915753
2014	103.175768394849
2015	120.674036490475
2016	132.28512298134
2017	132.567971590798
2018	145.020317684531