Year Percent Change 1979-01-01 14.8068678942011000 1980-01-01 17.1754558548806000 1981-01-01 16.9908854742367000 1982-01-01 11.1408404377756000 1983-01-01 0.0216073253407351 1984-01-01 1.5400239241904600 1985-01-01 14.0404182128573000 1986-01-01 17.5143330043329000 1987-01-01 10.6968842234964000 1988-01-01 5.1510361811941800 1989-01-01 3.1223458159817800 1990-01-01 1.7803475653418200 1991-01-01 0.6542481518363700 1992-01-01 0.5895009983946760 1993-01-01 -0.6312582556387390 1994-01-01 1.5555403556608400 1995-01-01 1.2122386649263300 1996-01-01 2.4490784289102400 1997-01-01 1.7703608353985000 1998-01-01 1.6612374484956300 1999-01-01 -1.2301383934800800 2000-01-01 -1.1338333812825600 2001-01-01 2.6825917072013800 2002-01-01 2.3070070506921600 2003-01-01 2.9484546935246400 2004-01-01 4.0643096662125900 2005-01-01 4.8378876466340700 2006-01-01 4.7624593436133000 2007-01-01 2.6024747927324800 2008-01-01 5.3875139099960000 2009-01-01 3.0297628015527100 2010-01-01 2.5727688697777500