Not 3.5 and not 12 but 8.5

I have lamented in several posts on this blog that natural coverage of the county of Essex is 3.5% — the worst in all of Ontario. I have since learned that this point of data from 2002 is no longer accurate. In 2012, the coverage moved 8.5%.

City of Windsor Parks & Outdoor Recreation Master Plan [pdf]

My new question is why hasn’t the measure of coverage not moved since 2012?