[refurb]

This graph shows that in 1997, reductions in CFC had just begun, yet the ozone hole had been reversed.[1]

Also, apparently there isn't agreement that the hole has gotten better: "Work has suggested that a detectable (and statistically significant) recovery will not occur until around 2024, with ozone levels recovering to 1980 levels by around 2068."

So which is it?

[1]http://en.wikipedia.org/wiki/File:Ozone_cfc_trends.png