Secondly, it's funny to see how variable the scores are from one year to the next - with rare exceptions (e.g. Kiev right now) cities don't really change that much in the short term.
A few other small observations:
1. It's absolutely comical that Frankfurt ranks 7th. I know the city quite well, it shouldn't crack the top 50 in any vaguely sane ranking.
2. It's also plainly weird that Istanbul is Western Europe but Budapest is Eastern Europe, together with Tashkent, which is comfortably to the East of all of Iran.
3. Why no breakdown for Southern Europe/the Mediterranean?
Year after year when going over these rankings I'm left with the same impression - arbitrary tastes and cultural flexing + some basic common sense observations, all masquerading as science.