The website with the original data is quite confusing, but as far as I understand the UK is only number one since this year. In 2008 and 2009 it was still numbe

The website with the original data is quite confusing, but as far as I understand the UK is only number one since this year. In 2008 and 2009 it was still number 6. Initially I also thought it must have to do with the empire/commonwealth, but this makes it seem less likely. And yes, why Denmark? It was number one since 2006!