I don't know about the UK, but there are (essentially) no feral honeybees in the US, and there haven't been in something like 30 years, not because of pesticides, but because of the varroa mite.
There are some feral honey bees colonies.
Now how about the 'total hives' vs 'annual losses' issue? I think the metric you've chosen to indicate overall honeybee health is lacking.