From here:

Nine eleven: By the numbers

Number of years since the attacks: 10

Number of Muslim hijackers: 19

Number of airplanes hijacked: 4

Number of intended targets: 4

Number of targets struck: 3

Number of murder victims: 2,977

Estimated financial cost of the attacks: $3.3 trillion (source)

Number of apologies from Muslims, Muslim countries, or Muslim organizations for the attacks: Zero

One more.

Number of apologies by Christian leaders to Muslims for anti-Muslim bigotry: too many to count.