Date,Close 1981-02-23,24.62 1981-05-06,27.38 1981-05-18,28.0 1981-09-25,14.25 1982-07-08,11.0 1983-01-03,28.5 1983-04-06,40.0 1983-10-03,23.13 1984-07-27,27.13 1984-08-17,27.5 1984-08-24,28.12 1985-05-07,20.0 1985-09-03,14.75 1985-12-06,19.75 1986-03-12,24.75 1986-04-09,27.13 1986-04-17,29.0 1986-09-17,34.25 1986-11-26,40.5 1987-02-25,69.13 1987-04-15,71.0 1988-02-23,42.75 1988-03-07,46.88 1988-03-23,42.5 1988-12-12,38.5 1988-12-19,40.75 1989-04-17,39.25 1989-11-13,46.5 1990-11-23,36.38 1991-03-22,63.25 1991-05-17,47.0 1991-06-03,49.25 1991-06-18,42.12 1992-06-25,45.62 1992-10-12,44.0 1993-07-06,37.75 1993-09-15,24.5 1993-09-30,23.37 1993-11-09,30.12 1994-01-24,35.0 1994-03-15,37.62 1994-06-27,26.25 1994-07-08,27.06 1994-12-21,38.38 1995-07-06,47.0 1995-10-16,36.13 1995-11-17,40.13 1995-12-12,38.0 1996-01-31,27.63 1996-02-05,29.25 1996-07-15,17.19 1996-09-20,22.87 1996-12-23,23.25 1997-03-17,16.5 1997-05-09,17.06 1997-08-06,26.31 1997-09-30,21.69 1998-02-09,19.19 1998-03-12,27.0 1998-05-07,30.19 1998-05-12,30.12 1999-07-09,55.63 1999-12-08,110.06 2000-01-14,100.44 2000-06-27,51.75 2000-07-05,51.62 2000-07-19,52.69 2000-08-07,47.94 2000-08-28,58.06 2000-09-26,51.44 2001-03-02,19.25 2001-12-10,22.54 2002-01-25,23.25 2002-03-07,24.38 2002-08-16,15.81 2002-10-03,14.3 2003-11-18,20.41 2004-02-26,23.04 2004-03-08,26.0 2004-09-22,36.92 2005-06-24,37.76 2005-12-07,73.95 2005-12-22,74.02 2006-06-22,59.58 2006-11-28,91.81 2007-08-13,127.79 2007-12-04,179.81 2007-12-31,198.08 2008-05-09,183.45 2008-06-27,170.09 2009-08-03,166.43 2010-04-01,235.97 2010-12-10,320.56 2011-04-28,346.75 2011-12-02,389.7 2012-05-16,546.08 2012-12-04,575.85 2013-07-05,417.42 2013-11-07,512.49 2014-02-25,522.06