Year Percent 1999-01-01 1.121287895711500 2000-01-01 0.771779796900162 2001-01-01 1.402796635739820 2002-01-01 2.407658012934340 2003-01-01 1.993530551524830 2004-01-01 2.030077578532070 2005-01-01 2.098751967093050 2006-01-01 1.787785374191160 2007-01-01 1.416052594097800 2008-01-01 5.333806398201980 2009-01-01 -0.550159995508534 2010-01-01 3.370025402201470 2011-01-01 3.456749672345990 2012-01-01 3.376880443388790 2013-01-01 1.059497823561680 2014-01-01 1.089441574353630 2015-01-01 0.968993458825572 2016-01-01 -0.489437796230552 2017-01-01 2.432487890413700