SQL, - :
"" > " " > All Files (*.*) Excel > > > , , ... > "" > " : SQL" :
SELECT Name, Sum( PerHeadShare ) As [Sum] FROM (
SELECT 'Person1' As Name, Person1 AS y, * FROM [Sheet1$] UNION ALL
SELECT 'Person2' As Name, Person2 AS y, * FROM [Sheet1$] UNION ALL
SELECT 'Person3' As Name, Person3 AS y, * FROM [Sheet1$] )
WHERE y = 'Yes'
GROUP BY Name
> > "" " ", "" "" .
"1" , $ , $like [named Range] , [Sheet1$B2:F6]
Excel 2010 , Power Query PowerPivot ( Excel 2007, ).