Year	Percent of GDP
1961-01-01	14.0823874106097
1962-01-01	13.8606114871412
1963-01-01	14.1610409614263
1964-01-01	15.3530095918988
1965-01-01	14.7045567216100
1966-01-01	15.5728529250336
1967-01-01	15.9978441820188
1968-01-01	17.4143856069884
1969-01-01	17.2652726498220
1970-01-01	18.1430909155464
1971-01-01	17.6315747981131
1972-01-01	17.7748478386841
1973-01-01	19.1547430872404
1974-01-01	20.5871503107981
1975-01-01	18.8276949414352
1976-01-01	18.7182109131661
1977-01-01	19.7134567750216
1978-01-01	21.2159945863234
1979-01-01	22.9034046760223
1980-01-01	23.6142148035509
1981-01-01	22.8067735035007
1982-01-01	21.8648603801314
1983-01-01	21.6068228492447
1984-01-01	24.3626206634117
1985-01-01	23.9684558113185
1986-01-01	23.0081799952966
1987-01-01	21.8656781582211
1988-01-01	22.1875460594275
1989-01-01	20.7387821628677
1990-01-01	21.4972929755353
1991-01-01	20.8792817999755
1992-01-01	22.7339996134266
1993-01-01	25.1757225682287
1994-01-01	28.5495195845833
1995-01-01	31.6374461989323
1996-01-01	32.1840687870533
1997-01-01	32.9738077000255
1998-01-01	33.9645305644573
1999-01-01	35.3729294720792
2000-01-01	37.4761751460520
2001-01-01	35.4209198516884
2002-01-01	33.3275568400275
2003-01-01	30.4906499642391
2004-01-01	30.9734469678860
2005-01-01	30.7793754082433
2006-01-01	29.5135903675470
2007-01-01	28.6347100593860
2008-01-01	29.2356196650668
2009-01-01	22.9532875540591
2010-01-01	23.9924524432206
2011-01-01	25.2291224056116
2012-01-01	24.9733709804688
2013-01-01	24.8713997481289
2014-01-01	26.4651171570293
2015-01-01	26.2686548023932
2016-01-01	25.3997869719623
2017-01-01	25.4782580306864