Year Growth Rate Previous Period, Trend 1971-01-01 11.03418468470470 1972-01-01 8.56714129985400 1973-01-01 14.64134343027480 1974-01-01 18.07206611203420 1975-01-01 12.22793715672300 1976-01-01 9.10512113156128 1977-01-01 10.53765859116820 1978-01-01 10.46625833945150 1979-01-01 10.90419103280430 1980-01-01 13.93820034939260 1981-01-01 10.25708077520820 1982-01-01 7.22842410296776 1983-01-01 5.90452481123195 1984-01-01 3.20318677523557 1985-01-01 2.14347476246567 1986-01-01 4.85575250091495 1987-01-01 3.61383910893892 1988-01-01 5.83466641199919 1989-01-01 7.11901166710033 1990-01-01 7.50022237266619 1991-01-01 9.37192144133753 1992-01-01 6.65528024865356 1993-01-01 6.01608524821750 1994-01-01 5.45748258197967 1995-01-01 7.38286875230356 1996-01-01 6.42092376192817 1997-01-01 7.14249362058749 1998-01-01 3.95447378607421 1999-01-01 3.42529037675833 2000-01-01 5.73987594698152 2001-01-01 5.40278178844322 2002-01-01 3.37326251080809 2003-01-01 3.78643138337328 2004-01-01 3.37550358431840 2005-01-01 5.82120370465752 2006-01-01 6.15133876164309 2007-01-01 5.67208360478555 2008-01-01 5.09027152500989 2009-01-01 2.03572164599966 2010-01-01 1.02692909830931