Year Growth Rate Previous Period, Trend 1971-01-01 10.416131641073000 1972-01-01 6.011387226443770 1973-01-01 10.359474867923000 1974-01-01 15.892971017923200 1975-01-01 12.621214014527800 1976-01-01 9.896844669395170 1977-01-01 5.203419364903070 1978-01-01 6.734417267974600 1979-01-01 7.424193477993420 1980-01-01 8.532702343125190 1981-01-01 7.680465172206670 1982-01-01 8.325754746808280 1983-01-01 7.803573069373130 1984-01-01 4.853321774049560 1985-01-01 4.603061963804000 1986-01-01 3.616060369265950 1987-01-01 3.827732281431950 1988-01-01 4.610493869125600 1989-01-01 3.679366593710090 1990-01-01 7.493972958339730 1991-01-01 5.915333203332070 1992-01-01 5.674040256206050 1993-01-01 2.771064388698780 1994-01-01 3.128142966939130 1995-01-01 1.982108189037410 1996-01-01 0.992673785715453 1997-01-01 0.315350693861671 1998-01-01 2.674125303189630 1999-01-01 4.455320410966690 2000-01-01 3.866498933747830 2001-01-01 3.704647832106320 2002-01-01 2.595892945880790 2003-01-01 2.172679439447460 2004-01-01 2.097305744168840 2005-01-01 2.101886759477170 2006-01-01 1.901134217705990 2007-01-01 2.437886368765250 2008-01-01 3.060613732655860 2009-01-01 0.597841865605565 2010-01-01 1.597869209913140