Year Growth Rate Same Period Previous Year 1968-01-01 2.068765482743500 1969-01-01 3.435567207625910 1970-01-01 7.526188249371320 1971-01-01 4.635604592636450 1972-01-01 2.001482637761920 1973-01-01 2.258413572041070 1974-01-01 10.604011357120000 1975-01-01 16.804722612441900 1976-01-01 6.924196769499640 1977-01-01 8.490137415943720 1978-01-01 1.422973416131900 1979-01-01 13.867937651282800 1980-01-01 17.334835538388400 1981-01-01 14.079181673070000 1982-01-01 12.001146437817500 1983-01-01 18.683959396007600 1984-01-01 5.896841973673930 1985-01-01 4.371085963672300 1986-01-01 -21.978414602727000 1987-01-01 -8.913137409282430 1988-01-01 -2.544607129101240 1989-01-01 5.832514117067080 1990-01-01 4.947462637907420 1991-01-01 -0.154677896461296 1992-01-01 -5.255374842326150 1993-01-01 4.585942590589850 1994-01-01 -2.762224198790430 1995-01-01 -1.409026789267740 1996-01-01 5.792075848859270 1997-01-01 3.671461376649720 1998-01-01 -5.127070878956920 1999-01-01 2.677892771922600 2000-01-01 19.814866209246400 2001-01-01 -1.531591380122570 2002-01-01 -4.194627846081410 2003-01-01 2.501307883495850 2004-01-01 8.997284889717010 2005-01-01 15.326692459712600 2006-01-01 9.563413028441900 2007-01-01 2.396653356151370 2008-01-01 13.466195237175600 2009-01-01 -14.868253085005400 2010-01-01 10.184323646793800 2011-01-01 12.889515448016900 2012-01-01 7.229407255372300 2013-01-01 -2.619775151340450 2014-01-01 -4.620913407457390 2015-01-01 -9.326458919820940 2016-01-01 -8.520691321811300 2017-01-01 4.278674039188550