The commission said its level of funding from the NIO is "not sustainable”.
The Home Office has dismissed calls for it to launch a review into police's use of the act's robust detention powers.
“What’s needed is bold thinking about our approach to mental health."
Only 48 (0.08%) of these searches resulted in prison officers finding weapons.
Numbers of people in employment are to the nearest hundred thousand. Numbers for each year were taken in the first quarter of each year in question.