spx worst performance in a year from 1960 to 1983

SPX (SPXC) had its worst year between 1960 and 1983 in 1980, returning 14.1%.

ASSET YEAR % RETURN
SPX (SPXC)
1980
14.14%
SPX (SPXC)
1983
18.99%
SPX (SPXC)
1981
34.38%
SPX (SPXC)
1982
38.92%