Sum of "Number" (i.e., not "Unique Number") in all lines in the "Videos" table (see Assets tab)
Explanation/Calculation
The sum of all videos linked to articles (all assets of the AssetImplementationType Video added together) plotted against the "Primary Articles" (see Classifications tab).
The result is the percentage of videos linked to primary articles.
4. Create a default export with the checkbox "Default including classification" on and "Include expired articles" off.
5. Remove all columns except: Own article number, Classification level 1/2/3/4 and all Url columns (so also UrlDescription and UrlCategory).
6. Primary article classifications should contain URLs with a category from one of the rules filtered in point 2. If this is not the case, complete the Url and UrlCategory columns.