That's not a good counter. I think you need to look at how many of that demographic actually drives, not how big the demographic is. Or maybe kilometers driven per accident.
That onus is on the article: convince me that almost a quarter of the facilities being 70+ means something (s not explained by statistics but follows age).
That onus is on the article: convince me that almost a quarter of the facilities being 70+ means something (s not explained by statistics but follows age).