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 17,973.7%.

ASSET% RETURN
the Nasdaq Composite (IXIC)
17,973.73%
the S&P 500 (GSPC)
7,006.55%
the Dow Jones Industrial Average (DJI)
6,192.26%