Year Index 2010=1, Trend 1970-01-01 0.095170136637751 1971-01-01 0.103511650291226 1972-01-01 0.109903444724159 1973-01-01 0.117576028559763 1974-01-01 0.134503729536485 1975-01-01 0.160230352060529 1976-01-01 0.171607081885428 1977-01-01 0.185840763073879 1978-01-01 0.200854678410475 1979-01-01 0.217011349726147 1980-01-01 0.242334516321109 1981-01-01 0.267375961068210 1982-01-01 0.289317307053368 1983-01-01 0.303528114240458 1984-01-01 0.314858668203286 1985-01-01 0.327236027074311 1986-01-01 0.344768641986813 1987-01-01 0.360880214873372 1988-01-01 0.379311792379259 1989-01-01 0.413078228335341 1990-01-01 0.456318691990106 1991-01-01 0.505089415277126 1992-01-01 0.550839617413838 1993-01-01 0.587823787365714 1994-01-01 0.609641057467947 1995-01-01 0.639904773489030 1996-01-01 0.690671412645407 1997-01-01 0.735115851816007 1998-01-01 0.787537063894783 1999-01-01 0.844248782943805 2000-01-01 0.863096941646925 2001-01-01 0.900068466447063 2002-01-01 0.932319833422392 2003-01-01 0.941991260381618 2004-01-01 0.935348178816750 2005-01-01 0.932437691709123 2006-01-01 0.926949833384903 2007-01-01 0.932146374030319 2008-01-01 0.974647324024155 2009-01-01 1.011426143687810 2010-01-01 1.000000000009520