Sentence examples for how common is this from inspiring English sources

How common is this?

How common is this policy?

So how common is this problem?

So how common is this?

But how common is this phenomenon today?

How common is this kind of violence in Brazil?

But I needed more details, and I needed context: How common was this?

And, importantly, how common was this life history strategy for plants 100 million years ago?

How common is that situation?

How common is the practice?

But just how common is the problem?