Year Growth Rate Previous Period 1960-01-01 21.963024330688000 1961-01-01 2.112902649172350 1962-01-01 11.795392479518200 1963-01-01 15.962544236008900 1964-01-01 11.677649346440500 1965-01-01 4.630973108918570 1966-01-01 -8.600087826750180 1967-01-01 1.906640368178820 1968-01-01 27.444168734491300 1969-01-01 -1.629672897196270 1970-01-01 4.797814856599960 1971-01-01 -2.160651217254980 1972-01-01 20.848213423933000 1973-01-01 19.465520821685900 1974-01-01 -18.407787241439300 1975-01-01 -13.037920749893500 1976-01-01 30.995364263370100 1977-01-01 18.407802744770800 1978-01-01 28.273599805612900 1979-01-01 -9.160652383929080 1980-01-01 -4.360337816703160 1981-01-01 14.081850688993500 1982-01-01 -29.924984471307800 1983-01-01 -16.686213009682300 1984-01-01 -8.513110943791540 1985-01-01 6.618002254307340 1986-01-01 -1.396160558464220 1987-01-01 -7.520422055820280 1988-01-01 13.888224360979700 1989-01-01 26.652986039296800 1990-01-01 6.426138320809360 1991-01-01 -17.845840326060900 1992-01-01 -0.980549516291432 1993-01-01 -10.416881566732000 1994-01-01 27.932951704171600 1995-01-01 6.373677240173340 1996-01-01 32.156412425964000 1997-01-01 15.096997246942800 1998-01-01 10.092260745873700 1999-01-01 22.941554363753200 2000-01-01 32.260659221944300 2001-01-01 -28.570730992724300 2002-01-01 -6.477614537499700 2003-01-01 -4.979233810678790 2004-01-01 4.689073514602200 2005-01-01 11.139835801652700 2006-01-01 4.256700305939070 2007-01-01 4.208007840650320 2008-01-01 -18.967215110039100 2009-01-01 -62.837441114221300 2010-01-01 55.987286890064700 2011-01-01 2.384962370593700 2012-01-01 -12.280863203423400 2013-01-01 -6.436214855224510 2014-01-01 29.451421203117100 2015-01-01 31.126774287848800 2016-01-01 17.191809099166000 2017-01-01 -10.488194967977400