Year National Currency 1984-01-01 368.600 1985-01-01 393.075 1986-01-01 420.950 1987-01-01 450.175 1988-01-01 480.250 1989-01-01 528.125 1990-01-01 560.875 1991-01-01 576.650 1992-01-01 596.725 1993-01-01 611.800 1994-01-01 645.175 1995-01-01 683.800 1996-01-01 698.625 1997-01-01 713.500 1998-01-01 754.475 1999-01-01 782.825 2000-01-01 797.850 2001-01-01 816.750 2002-01-01 891.575 2003-01-01 960.925 2004-01-01 1002 2005-01-01 1033.925 2006-01-01 1075.025 2007-01-01 1107.050 2008-01-01 1169.725 2009-01-01 1181.450 2010-01-01 1218.650 2011-01-01 1266.075