WLM MMXII-MMXV, WLE MMXIII-MMXVI in Ukraine participants

SQL

-- it is supposed to be counter of all participants from WLM MMXII - MMXV in Ukraine.
-- Number should count unique users and not just sum up the nums for all 4 cats

select distinct(rev_user_text)
FROM commonswiki_p.revision r
join commonswiki_p.categorylinks c
on r.rev_page = c.cl_from
WHERE rev_parent_id = 0
and c.cl_to IN (
  "Images_from_Wiki_Loves_Monuments_2012_in_Ukraine",
  "Images_from_Wiki_Loves_Monuments_2013_in_Ukraine",
  "Images_from_Wiki_Loves_Monuments_2014_in_Ukraine",
  "Images_from_Wiki_Loves_Monuments_2015_in_Ukraine",
  "Images_from_Wiki_Loves_Earth_2013_in_Ukraine",
  "Images_from_Wiki_Loves_Earth_2014_in_Ukraine",
  "Images_from_Wiki_Loves_Earth_2015_in_Ukraine",
  "Images_from_Wiki_Loves_Earth_2016_in_Ukraine"
  )   
 and rev_user_text not in (select distinct(rev_user_text)
FROM commonswiki_p.revision r
join commonswiki_p.categorylinks c
on r.rev_page = c.cl_from
WHERE rev_parent_id = 0
and c.cl_to =  "Images_from_Wiki_Loves_Monuments_2016_in_Ukraine") 
  ORDER BY rev_user_text ASC
SQL

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