YouTube Ads Leaderboard: Belgium Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium April - June 2019 Video Video YouTube Ads Leaderboard: Belgium January - March 2019 Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium 2018 Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium October - December 2018 Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium July - September 2018 Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium April - June 2018 Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium January - March 2018 Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium July - September 2017 Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium 2017 Ads Leaderboard Ads Leaderboard YouTube Ads Leaderboard: Belgium October - December 2017