VARIABLES OF THE TELEBAROMETERS

ΤΜΛ: Average Rating
The percentage of people that have watched a program on the average minute of its duration. It may be expressed as a percentage over the population or as the absolute number of viewers in thousands.

ΜΡΔ: Share
The percentage of viewers of a program (average rating of the program) over the total number of television viewers (average rating for total television).
It is expressed as a percentage, and is an indicator of a program's competitiveness in its given environment.