Year Growth Rate Previous Period, Trend 1971-01-01 9.015251830492860 1972-01-01 7.365500845028760 1973-01-01 9.588934814572900 1974-01-01 14.776076811038300 1975-01-01 18.534085243874700 1976-01-01 10.773203699932300 1977-01-01 10.589313122594300 1978-01-01 10.831096126973700 1979-01-01 13.503884134192000 1980-01-01 14.672681153105100 1981-01-01 11.675763613408500 1982-01-01 9.107880712171240 1983-01-01 7.791959821895310 1984-01-01 6.294664820247780 1985-01-01 6.661390315711010 1986-01-01 5.486889343038870 1987-01-01 5.569129045855160 1988-01-01 6.690872495788520 1989-01-01 9.504536789961110 1990-01-01 9.626737570682600 1991-01-01 10.264370320568000 1992-01-01 7.495019607733150 1993-01-01 5.539434325770350 1994-01-01 4.599584277185210 1995-01-01 5.295483738403820 1996-01-01 6.952605675873290 1997-01-01 6.548696945393640 1998-01-01 5.524736484470380 1999-01-01 6.620956143111150 2000-01-01 3.179437617269050 2001-01-01 4.641958122447820 2002-01-01 4.091940176737800 2003-01-01 3.160200913238820 2004-01-01 1.072882095326060 2005-01-01 1.309628949524410 2006-01-01 1.328428562548710 2007-01-01 1.840586307070150 2008-01-01 2.860827855227240 2009-01-01 3.252654380096430 2010-01-01 0.628221025675512