Answer:
This is from 2004 so I reckon you can at least triple it:
1 Alex Ferguson Man Utd pounds 3.1m 4
2 Arsene Wenger Arsenal pounds 2.3m 1
3 Jose Mourinho Chelsea pounds 2m 2
4 Rafael Benitez Liverpool pounds 1.6m 11
5 Graeme Souness Newcastle pounds 1.5m 6
6 Kevin Keegan Man City pounds 1.4m 12
7 Jacques Santini Tottenham pounds 1.2m 5
8 David O'Leary Aston Villa pounds 1.2m 8
9 Mark Hughes Blackburn pounds 1.2m 17
10 Steve Bruce Birmingham pounds 1.1m 15
11 Harry Redknapp Portsmouth pounds 1.1m 13
12 Sam Allardyce Bolton pounds 950,000 7
13 Alan Curbishley Charlton pounds 900,000 10
14 Steve McClaren Boro pounds 800,000 9
15 Iain Dowie Crystal Palace pounds 700,000 19
16 Chris Coleman Fulham pounds 600,000 14
17 Steve Wigley Southampton pounds 400,000 18
18 Gary Megson West Brom pounds 550,000 16
19 Nigel Worthington Norwich pounds 480,000 20
20 David Moyes Everton pounds 400,000 3