Year Growth Rate Previous Period 1961-01-01 2.468392534617690 1962-01-01 -22.348707403055200 1963-01-01 -3.490021753523130 1964-01-01 14.837318698549600 1965-01-01 -10.906298003072200 1966-01-01 -15.296934865900400 1967-01-01 2.012891552640480 1968-01-01 31.382330118612200 1969-01-01 8.884576442794440 1970-01-01 -11.428547753711100 1971-01-01 -3.701310535646230 1972-01-01 9.650224523854550 1973-01-01 -6.671687692211120 1974-01-01 -16.129791526563600 1975-01-01 18.121316601852200 1976-01-01 6.000746699249900 1977-01-01 0.496301751464893 1978-01-01 8.215446377365730 1979-01-01 -3.939407322351290 1980-01-01 -4.028933535622880 1981-01-01 2.198837506387290 1982-01-01 1.548413306042120 1983-01-01 33.474889217134400 1984-01-01 14.081016277032300 1985-01-01 36.062973030324500 1986-01-01 40.110804146986300 1987-01-01 -13.248030870021500 1988-01-01 -16.655668792922300 1989-01-01 28.502727112779300 1990-01-01 17.779882250924200 1991-01-01 -9.845776783205930 1992-01-01 -4.153078274511500 1993-01-01 5.768594763364870 1994-01-01 14.885419316543700 1995-01-01 -2.423711221312430 1996-01-01 12.948596120479800 1997-01-01 37.006822652881900 1998-01-01 27.826336676616100 1999-01-01 3.588389240090300 2000-01-01 26.997432046126300 2001-01-01 -24.531685170348300 2002-01-01 -23.355023218528600 2003-01-01 -22.443967033519300 2004-01-01 23.010942549589700 2005-01-01 15.685144824952400 2006-01-01 24.738679924528100 2007-01-01 24.229897015409000 2008-01-01 -20.473369303719600 2009-01-01 -24.724505819323800 2010-01-01 21.044380976338500 2011-01-01 4.849558508966690 2012-01-01 0.358224540556461 2013-01-01 18.462676034288000 2014-01-01 11.906417481965800 2015-01-01 13.089633996784200 2016-01-01 -8.106662211162000 2017-01-01 19.195232092812700