Only the Annex E methods are used: non-penetrating percussive devices (cattle, sheep, goats) and penetrating captive bolt (all species) applied per the manufacturer's position and power settings; free bullet (all species) in the correct position with a suitable gauge, as an emergency method where the law allows; head-only electrical stunning (cattle, buffalo, sheep, goats and pigs) with electrodes spanning the brain at a current that stuns at once; head-to-body electrical stun-kill (same species) with electrodes spanning brain and heart; and controlled atmosphere carbon dioxide stunning for pigs per the manufacturer's dwell time and gas concentration.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.