Year Growth Rate Previous Period, Trend 1971-01-01 8.548349710750020 1972-01-01 6.454571295456770 1973-01-01 8.763521199678350 1974-01-01 14.692427959483200 1975-01-01 18.824783413320100 1976-01-01 8.619830574817670 1977-01-01 8.742046324265410 1978-01-01 8.001148942444150 1979-01-01 9.051555964095920 1980-01-01 12.676139627801700 1981-01-01 10.554820845375800 1982-01-01 8.863845602797140 1983-01-01 6.374247614656850 1984-01-01 5.003714405354040 1985-01-01 4.726644033397100 1986-01-01 4.260089695818480 1987-01-01 4.344492971181410 1988-01-01 6.907814398971280 1989-01-01 8.534070394767350 1990-01-01 9.812071887382220 1991-01-01 9.828269484956560 1992-01-01 8.286504351259570 1993-01-01 5.632213013519920 1994-01-01 3.927932560283350 1995-01-01 4.723145429840290 1996-01-01 7.853693847689400 1997-01-01 7.167278889048130 1998-01-01 5.984343618760200 1999-01-01 7.280194730024390 2000-01-01 4.054100507589170 2001-01-01 4.829051127151150 2002-01-01 3.589447813106560 2003-01-01 2.488693608639260 2004-01-01 0.995849814809427 2005-01-01 1.380495704347400 2006-01-01 1.402438465779270 2007-01-01 2.732511131972320 2008-01-01 3.984892819970950 2009-01-01 3.834495365669980 2010-01-01 0.788899743373777