what is the best returning index since march 12, 1980

The Nasdaq Composite (IXIC) has had the highest return since March 12, 1980 by a major index, returning 18,369.9%.

ASSET% RETURN
the Nasdaq Composite (IXIC)
18,369.91%
the S&P 500 (GSPC)
7,085.07%
the Dow Jones Industrial Average (DJI)
6,213.47%