Some statistics I've dug up.
Suzuka 6

Singapore 16
Monza 31
Spa 26
The average TV coverage for Mercedes throughout the year has been about 20% of the TV time.
....................................Malaysian GP Chinese GP Bahrain GP
Amount of time on-screen ....... 20:29..........10:27.........22:08
Percentage of race................ 20.3%..........10.5%.........23.3%