Year Growth Rate Previous Period, Trend 1971-01-01 7.96848124023534 1972-01-01 6.98183108586965 1973-01-01 9.72097200027383 1974-01-01 14.55555086200150 1975-01-01 19.56733436525670 1976-01-01 9.70625171592985 1977-01-01 9.26550461664601 1978-01-01 8.06668070516288 1979-01-01 8.97322328581395 1980-01-01 13.80978808717720 1981-01-01 10.93169385836750 1982-01-01 9.67161240497999 1983-01-01 8.17806288117571 1984-01-01 6.03490023006950 1985-01-01 5.33506112191132 1986-01-01 3.82530786262239 1987-01-01 4.74333359246600 1988-01-01 6.90139746349940 1989-01-01 8.28857448274237 1990-01-01 9.76723420132216 1991-01-01 9.68226682397650 1992-01-01 7.70575998064507 1993-01-01 4.88645212084216 1994-01-01 3.84685595522483 1995-01-01 4.35549806667345 1996-01-01 8.10832756549081 1997-01-01 7.33935282406223 1998-01-01 5.66035921504990 1999-01-01 7.80260321891008 2000-01-01 4.72311839815478 2001-01-01 4.68454362560502 2002-01-01 3.65436697976084 2003-01-01 2.98125025796138 2004-01-01 1.50936297626338 2005-01-01 1.32351741630310 2006-01-01 1.20877112451514 2007-01-01 2.49843192706497 2008-01-01 3.62939568386350 2009-01-01 3.20993127162100 2010-01-01 1.30164161845943