The following data is provided for a market 500 Index: Year Total return Year Total return 2000 16.0% 2010 2.0% 2001 8.0% 2011 3.0% 2002 -3.0% 2012 3.0% 2003 1.0% 2013 4.0% 2004 5.0% 2014 5.0% 2005 21.0% 2015 4.0% 2006 43.0% 2016 3.0% 2007 4.9% 2017 3.5% 2008 -7.0% 2018 4.5% 2009 0.1% 2019 5.8% Calculate the 20-year arithmetic average annual rate of return on the market Index.

Group of answer choices

11.98%

6.21%

0.31%

6.34