Year	% of GDP
1960	76.18012543336839
1961	72.75125814091177
1962	72.9259949195597
1963	72.50015534704531
1964	72.05236130987457
1965	74.76150296638102
1966	75.91431318959408
1967	75.32276276276276
1968	74.79193887720075
1969	76.10526543223214
1970	70.12359442575685
1971	70.11130361736755
1972	72.84966342557966
1973	69.35361009105429
1974	57.595381078817475
1975	68.74714220393233
1976	72.69977202747513
1977	74.39167405238078
1978	79.39092629835561
1979	75.46344656946043
1980	75.56465159460427
1981	80.27649995792544
1982	84.68616531853826
1983	92.40760502870991
1984	69.02533375230912
1985	69.93475936059009
1986	77.51007825468342
1987	72.45811082664079
1988	76.42390840082768
1989	71.86416360062263
1990	68.23567814304724
1991	73.73359666461673
1992	76.28715887249203
1993	78.83934312729801
1994	74.78254379279166
1995	74.12003022720235
1996	66.05279043370331
1997	65.05449006442076
1998	71.09801744015707
1999	69.73003440919645
2000	64.19839024184235
2001	69.1458371924339
2002	66.5496814980793
2003	67.65278628911486
2004	61.17228402774415
2005	57.80599070038601
2006	58.706435499193965
2007	63.597979492309754
2008	63.35954848997497
2009	76.58094589708016
2010	67.10442157313058
2011	66.67969529913627
2012	71.4647944280277
2013	77.47885135133204
2014	89.89295600817617