I recall the Eurocontrol doc as well. It did put Australia's ATCs on the cutting edge. Can't seem to dig it up now.
Some fishy accounting but here are a few figures from another supposedly reputable source:
Past Analysis 3a
The problem is no regional breakdowns. As TT points out there are parts of the US that go off, but a beancounter would say that looking at the above website the FAA controllers are less than a third as efficient as the Aussies. No use p!ssing into the wind methinks.