Plumbing? BTW. I now realised I misread the parent poster. It's not true that more than 50% Poles have an advanced degree, what I meant was that more than 50%

Plumbing? BTW. I now realised I misread the parent poster. It's not true that more than 50% Poles have an advanced degree, what I meant was that more than 50% of people with a degree get an advanced degree.