5 out of 6 where hands are cut off. The only exception was The Phantom Menace.
The Phantom Menace - Nobody or one
Attack of the Clones - Zam Wesell (The bounty hunter hired by, and killed by Jango Fett), and Anakin Skywalker.
Revenge of the Sith - Count Dooku, Mace Windu and Anakin Skywalker/Darth Vader.
A New Hope - Ponda Baba (The aqualish who harassed Luke)
The Empire Strikes Back - Luke Skywalker
Return of the Jedi - Darth Vader