Year Growth Rate Previous Period 1971-01-01 9.067736688233180 1972-01-01 10.755202931763800 1973-01-01 12.031671991835600 1974-01-01 86.635706111145400 1975-01-01 53.247754461161300 1976-01-01 44.966207598593300 1977-01-01 32.191654041010000 1978-01-01 50.192267609446000 1979-01-01 76.776487458403200 1980-01-01 198.482800207495000 1981-01-01 106.091664914701000 1982-01-01 125.134444626269000 1983-01-01 120.324006337117000 1984-01-01 376.593681872645000 1985-01-01 340.795899644765000 1986-01-01 14.208333027092200 1987-01-01 -0.445092980321627 1988-01-01 6.675000059231480 1989-01-01 32.661510806112200 1990-01-01 26.846072351888900 1991-01-01 17.116196980070100 1992-01-01 9.164420529189570 1993-01-01 5.446623071753830 1994-01-01 9.124999963414810 1995-01-01 11.141657147869600 1996-01-01 19.018826414873100 1997-01-01 12.816072070138600 1998-01-01 2.619997949277190 1999-01-01 9.150000003976030 2000-01-01 9.497633202818050 2001-01-01 -1.716666658466300 2002-01-01 10.836018308677600 2003-01-01 9.883333340263330 2004-01-01 6.605490673582520 2005-01-01 9.881197978155820 2006-01-01 4.311795921405990 2007-01-01 0.808333368549004 2008-01-01 11.134992204531100 2009-01-01 -5.316666732656350 2010-01-01 3.934166564829310 2011-01-01 8.616666563775910 2012-01-01 8.531533018633250 2013-01-01 1.766666724864630 2014-01-01 -0.253848779511021 2015-01-01 -12.328789925719200 2016-01-01 -6.301548380851130 2017-01-01 3.203042189098440