Year	Percent of GDP
1960-01-01	17.5711893925710
1961-01-01	16.2082113613321
1962-01-01	15.6935347713372
1963-01-01	15.9455841444849
1964-01-01	16.5952081359464
1965-01-01	15.5686866620199
1966-01-01	15.1070733876541
1967-01-01	15.4128498739640
1968-01-01	17.1010037831427
1969-01-01	16.6578152747939
1970-01-01	16.7733709823801
1971-01-01	16.0103714448029
1972-01-01	16.0568162219645
1973-01-01	19.6067425247854
1974-01-01	25.3883279035330
1975-01-01	21.2363366098104
1976-01-01	23.0730665829827
1977-01-01	23.2123346758786
1978-01-01	21.5607224431427
1979-01-01	21.4213164544361
1980-01-01	18.9267742209927
1981-01-01	17.5427211183905
1982-01-01	17.9105865403291
1983-01-01	18.7198907876973
1984-01-01	20.8043301479492
1985-01-01	20.5105723439428
1986-01-01	19.1652199138750
1987-01-01	18.9740785424957
1988-01-01	19.1696717349922
1989-01-01	19.9063875290156
1990-01-01	18.8693159722248
1991-01-01	16.8792070447170
1992-01-01	17.2081947378089
1993-01-01	17.7690127658001
1994-01-01	18.6105599576269
1995-01-01	20.0801859918554
1996-01-01	20.5093609083080
1997-01-01	19.9030479231755
1998-01-01	19.0868982941143
1999-01-01	19.0124917454751
2000-01-01	20.2786078878770
2001-01-01	19.9879781195246
2002-01-01	19.0232226454469
2003-01-01	18.6407337016618
2004-01-01	18.9245229114906
2005-01-01	19.4019662200288
2006-01-01	20.7988338107522
2007-01-01	20.2568324665069
2008-01-01	21.6416170810955
2009-01-01	20.1184907378631
2010-01-01	22.8058365976829
2011-01-01	24.1843879657536
2012-01-01	23.8373923075132
2013-01-01	23.4682088980919
2014-01-01	22.1737580032063
2015-01-01	21.0452114182946
2016-01-01	21.7341141409452
2017-01-01	22.9341410378411