This might be obvious to many but it looks like if you are outside of North America and Canada, you do not need to have 20 million pageviews on your site to qualify to become a Premium AdSense publisher. Instead, you need only half of that, 10 million pageviews to qualify.
The page with the information is apparently geo-specific, so the content is dynamically changed, based on your ISP's location.
If your site receives more than 20 million page views a month, you may be eligible for premium service, which includes:
If you are in German it reads;
Wenn Ihre Website im Monat über 10 Millionen Seitenzugriffe (Page Views) hat, können Sie sich auch für den Premium-Service bewerben. AdSense Premium bietet Ihnen:
I don't speak German, but it seems to me that "10 Millionen" is 10 million. :)
Forum discussion at DigitalPoint Forums.