The ratings may have declined, but it’s possible the reasoning for that is because there is much more content to rate than in previous years.
Netflix’s peak year for user reviews for original programming came at a time when, quite frankly, there wasn’t a lot for users to review.
The data, if accurate, is interesting but may also be a bit misleading.
Lilyhammer was the most notable program to American subscribers that year, and bigger critically acclaimed shows like House of Cards, Orange is the New Black, or the Netflix revival of Arrested Development would not premiere until 2013 when ratings began to decline.