You never can´t know actually so sure is it AB or 12 because both are as similiar way possible but more complexity and specially more X´s there is, better it is. Complexity makes it better. 
Very unique EW but still also very standard EW pattern. Simplecity, If any or many W3´s are possible even in theory, the best things are there.
Peoble also getting older and older in all western worlds, there might be bigger and much longer lasting theme behind of this. Just one simple fact. They need more care and more drugs also for sure. 
Meaning with that idea of cource the entire business group itself, not just this chart.
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