Misc: every year, over ---------- people injure themselves with a toothpick?

Questions

Deep regret and guilt for a wrong committed?

An opera by Vincenzo Bellini, libretto by Romani, in which the heroine is a druid priestess?

An instrument for examining the interior of the eye?

A general pardon especially for offences against a government?

In Goethes Faust, the evil spirit to whom Faust sells his soul?