There is a top list, where you can simply filter a cache types. This might include some duplicates or "traveling"/locationless caches:
There is an official bookmark list that should be excluded from statistics. This is already used in statistics, if you checked the button in your statistics settings (afaik by default).
The following query will list you all virtuals finds that are from this bookmark list:
Unfortunately it is not possible to negate this filter (to exclude caches from this list), but there is planed for some time the feature in Custom Filters to support Bookmark lists, so it might be eventually possible.