Sounds like a job for tagging and excluding:
https://cwiki.apache.org/confluence/display/solr/Faceting?focusedCommentId=42569404#Faceting-TaggingandExcludingFilters
Regards,
Alex.
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On 14 April 2016 a
If you just do a faceted query without the filter, each facet will give you
the number of results for that country and numResults will give you the
total number of results across all countries. But once you apply one or
more filters, numResults reflects onl the post-filtering documents.
-- Jack Kr