Ok listen here I'm going to say this one time and one time only.
It was established a long, long time ago that media traffic/united world charts was not a legitimate source for charts and have been banned as a source from many sites and articles, most notably all of the wikipedia pages.
Look at most songs pages, they have removed the position this chart has given songs from their database since it it not valid and legitimate. They have a "point" system (not which is flawed as well as they give each country they allegedly count a fair card, when in reality the music market in each one of them is different. So they value the music scene with the same weight say in Taiwan as they do in the USA. Clearly the USA has a bigger market.) and they don't have the means to accurately count the WW impact of songs.
It is a chart started by 2 music geeks in Germany (which between that low amount of players, a bias can be easily built), not a reliable company that has the means to ACCURATELY keep track of all WW sales/airplay.
So to everyone raving about this chart, right on, rave for a null and void list.