Misc: What was the name of King Arthur's sword?

Questions

In the next seven days, 800 Americans will be injured by their---------- .?

It is estimated that at any one time, ---------- of the world's population are drunk.?

It is estimated that at any one time, 0.7% of the world's population are---------- .?

It would take more than ---------- years to drive a car to the sun.?

It would take more than 150 years to drive a car to the---------- .?