Just thought i'd look into that to make sure. Figures below for anyone else curious. I feel like it goes in peaks and troughs.
Coventry - 3
Huddersfield - 3
Cardiff - 3
Rotherham - 3
Hull - 4
Southampton - 5
Norwich - 5
Bristol - 4
Blackburn - 4
PNE - 5
Stoke - 5
Swansea - 3
Sunderland - 4
QPR - 4
Leeds - 2
Middlesbrough - 2
Watford - 4
Sheff Wed - 5
WBA - 2
Plymouth - 5
Milwall - 3
Birmingham - 4
Rotherham - 5
Ipswich - 3
Cardiff - 2
Huddersfield - 3
Coventry - 2
Ipswich - 3
Swansea - 5
Stoke - 5
Watford - 4
Sheff Wed - 3
Middlesbrough - 5
Leeds - 2
QPR - 2
Sunderland - 3
Hull - 2
of the games we've only made 2 subs we're W2, D1, L5. One of the wins was a last kick of the game job as well. I think that points to him not trusting his bench to change a game.