From BARB:
1 – 9k – Canadian Grand Prix Replay (Wednesday, 19:00)
2 – 8k – Martin Brundle’s How To (Saturday, 14:45)
3 – 5k – British Grand Prix Replay (Friday, 19:00)
4 – 4k – Martin Brundle’s How To (Sunday, 15:14)
5 – 3k – Belgian Grand Prix Replay (Sunday, 10:00)
6 – 2k – Monaco Grand Prix Replay (Tuesday, 19:00)
7 – 2k – Italian Grand Prix Replay (Sunday, 16:00)
8 – 2k – German Grand Prix Replay (Saturday, 10:00)
9 – * – Inside Track: Pastor Maldonaldo (Sunday, 15:30)
10 – * – European Grand Prix Replay (Thursday, 19:00)
A star for anyone wondering is when BARB records a viewership for that particular programme of zero.
Motorsport Broadcasting 
Embarrassingly low viewing figures.
i find the european gp especially suprising as it was on at prime time 7:00pm and was one of the best races of the season