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Annual Total Returns- Vanguard Mega Cap Index Fund (Institutional) [BarChart] - Institutional - Vanguard Mega Cap Index Fund - Institutional Shares
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
Total 13.84% 2.34% 16.13% 32.14% 13.32% 1.56% 11.79% 22.57% (3.45%) 31.43%