time,VADVv2 1985-12-31,181734884257.97504 1986-12-31,216849663755.7564 1987-12-31,50832495155.055176 1988-12-31,82122248036.06104 1989-12-31,163017550541.48615 1990-12-31,28142373256.605675 1991-12-31,73080887334.56929 1992-12-31,211150739509.56137 1993-12-31,172509683603.24905 1994-12-31,137674589939.31485 1995-12-31,-187019763014.7797 1996-12-31,113912435404.54977 1997-12-31,-85366566507.3822 1998-12-31,-134479826566.3009 1999-12-31,-93950928229.00499 2000-12-31,157153954908.24652 2001-12-31,25516187387.198406 2002-12-31,104951718860.10954 2003-12-31,116402674759.57442 2004-12-31,-198838697707.29825 2005-12-31,-239080221615.358 2006-12-31,-47725588317.41658 2007-12-31,-655034116867.4806 2008-12-31,-57285017168.634705 2009-12-31,-55874715796.91205 2010-12-31,-146459897036.22885 2011-12-31,-143884986932.15982 2012-12-31,272797949931.70395 2013-12-31,-99830569115.16988 2014-12-31,-212849960283.4645 2015-12-31,-68739033041.01654