PERIOD VALUE 1993-12-31 42510.0 1994-03-31 45558.0 1994-06-30 48902.0 1994-09-30 47058.0 1994-12-31 50034.0 1995-03-31 49158.0 1995-06-30 49664.0 1995-09-30 58363.0 1995-12-31 60675.0 1996-03-31 62406.0 1996-06-30 64921.0 1996-09-30 67846.0 1996-12-31 68922.0 1997-03-31 69158.0 1997-06-30 70508.0 1997-09-30 76075.0 1997-12-31 81128.0 1998-03-31 82764.0 1998-06-30 84625.0 1998-09-30 87300.0 1998-12-31 88334.0 1999-03-31 91125.0 1999-06-30 95158.0 1999-09-30 100998.0 1999-12-31 107391.0 2000-03-31 106928.0 2000-06-30 109361.0 2000-09-30 116169.0 2000-12-31 121894.0 2001-03-31 127450.0 2001-06-30 123754.0 2001-09-30 121377.0 2001-12-31 128886.0 2002-03-31 116131.0 2002-06-30 124235.0 2002-09-30 126844.0 2002-12-31 131110.0 2003-03-31 131864.0 2003-06-30 133246.0 2003-09-30 138124.0 2003-12-31 146109.0 2004-03-31 149405.0 2004-06-30 153450.0 2004-09-30 158499.0 2004-12-31 162895.0 2005-03-31 166115.0 2005-06-30 173917.0 2005-09-30 181340.0 2005-12-31 191003.0 2006-03-31 200410.0 2006-06-30 204130.0 2006-09-30 208397.0 2006-12-31 222202.0 2007-03-31 239456.0 2007-06-30 247977.0 2007-09-30 262433.0 2007-12-31 283887.0 2008-03-31 288877.0 2008-06-30 298157.0 2008-09-30 310594.0 2008-12-31 320478.0 2009-03-31 324289.0 2009-06-30 323974.0 2009-09-30 316336.0 2009-12-31 311339.0 2010-03-31 310447.0 2010-06-30 310446.0 2010-09-30 314033.0 2010-12-31 312179.0 2011-03-31 316921.0 2011-06-30 314076.0 2011-09-30 316171.0 2011-12-31 335115.0 2012-03-31 335110.0 2012-06-30 343716.0 2012-09-30 342354.0 2012-12-31 344346.0 2013-03-31 346642.0 2013-06-30 350048.0 2013-09-30 350802.0 2013-12-31 352295.0 2014-03-31 355435.0 2014-06-30 369306.0 2014-09-30 375364.0 2014-12-31 379626.0 2015-03-31 390131.0 2015-06-30 394693.0 2015-09-30 405630.0 2015-12-31 414813.0 2016-03-31 426969.0 2016-06-30 431531.0 2016-09-30 437830.0 2016-12-31 452857.0 2017-03-31 456743.0 2017-06-30 465458.0 2017-09-30 468582.0 2017-12-31 469522.0 2018-03-31 474083.0 2018-06-30 474588.0 2018-09-30 485249.0 2018-12-31 489807.0 2019-03-31 495052.0 2019-06-30 496517.0