Year Index 2010=1 1980-01-01 0.399403021092990 1981-01-01 0.414350976326190 1982-01-01 0.431002679416432 1983-01-01 0.459490815990603 1984-01-01 0.484857139409564 1985-01-01 0.515869349726648 1986-01-01 0.554394241406441 1987-01-01 0.576849753761695 1988-01-01 0.576718724365468 1989-01-01 0.601245296869584 1990-01-01 0.644164115357596 1991-01-01 0.695778590332646 1992-01-01 0.721506880823021 1993-01-01 0.746118413293932 1994-01-01 0.744865708645023 1995-01-01 0.745534277169960 1996-01-01 0.769777848292472 1997-01-01 0.784457699093820 1998-01-01 0.810592360020464 1999-01-01 0.823649243357617 2000-01-01 0.847424196607123 2001-01-01 0.860526260433058 2002-01-01 0.876653762430421 2003-01-01 0.859442728678624 2004-01-01 0.859800332164571 2005-01-01 0.879566882079496 2006-01-01 0.906695758274024 2007-01-01 0.907995262017002 2008-01-01 0.949771072627398 2009-01-01 1.019293891838230 2010-01-01 1.000000000000000