When the Home page article is the only localized article and it's up to date in German, then our overall coverage is 2% of 10%=0.2% overall (+ the English coverage)
当这篇文章是德语中唯一完成翻译且更新到最新版本的文章时，德语的覆盖率即为 10% 中的 2%，也就是整体的 0.2%（外加英语覆盖率）