Year Growth Rate Previous Period 1960-01-01 8.402588450018750 1961-01-01 6.205044429019260 1962-01-01 4.086510562325510 1963-01-01 10.092294497104300 1964-01-01 19.923069191341700 1965-01-01 12.187306008106400 1966-01-01 8.635757146321110 1967-01-01 11.176335328894900 1968-01-01 10.909286074562800 1969-01-01 14.212652438848500 1970-01-01 11.160873840257100 1971-01-01 4.044509008950000 1972-01-01 28.924188708673000 1973-01-01 44.132919348050500 1974-01-01 33.065051052074200 1975-01-01 15.204332782150100 1976-01-01 9.312067589898110 1977-01-01 12.090499863450800 1978-01-01 22.463123339651200 1979-01-01 24.591007104803200 1980-01-01 36.032274592384000 1981-01-01 -1.479389203803490 1982-01-01 -3.210818150054980 1983-01-01 2.503677093712320 1984-01-01 4.561980301116230 1985-01-01 5.866342074730820 1986-01-01 -9.275625131796140 1987-01-01 18.335636611598400 1988-01-01 4.428345314993420 1989-01-01 21.522516581647200 1990-01-01 24.847147744646900 1991-01-01 0.323102365401719 1992-01-01 2.833148779257880 1993-01-01 -8.536458159865580 1994-01-01 8.823781379022280 1995-01-01 20.724647154187700 1996-01-01 17.391281321152000 1997-01-01 -1.768273043981140 1998-01-01 -16.806178914372900 1999-01-01 12.422050175900700 2000-01-01 32.498127758221300 2001-01-01 -1.328485557350670 2002-01-01 0.671658813808082 2003-01-01 14.356570456576800 2004-01-01 20.386080320101300 2005-01-01 26.515457153548200 2006-01-01 17.747111667420300 2007-01-01 11.377086266163500 2008-01-01 25.777295279960100 2009-01-01 -32.046383824332600 2010-01-01 11.739530079041400 2011-01-01 23.321727403670300 2012-01-01 0.103758834206266 2013-01-01 -3.109178931639740 2014-01-01 -7.286824593580020 2015-01-01 -28.068869150041700 2016-01-01 -13.798716788539400 2017-01-01 16.295604957571100