Doctor Who Series 9 (2015) Information.

[table id=4 /]
This table will be updated regularly when new Information is available. The Appreciation Index(AI) is a score given out of 100 of the public’s appreciation for a television show. The Final Viewing figures include Live +7 which counts those who watched live and all repeats, including iPlayer, within a week following broadcast.

AI: 

90< Exceptional 
85< Excellent
<60 Poor
<55 Very Poor