qqq yearly return 2007 to 2010

QQQ had its best year between 2007 and 2010 in 2009, returning 54.5%.

ASSET YEAR % RETURN
QQQ
2007
18.21%
QQQ
2008
-41.78%
QQQ
2009
54.54%
QQQ
2010
18.43%