It uses the iTunes top songs chart of 23 countries. Each country has the same weight. To calculate the points, the following formula is used: pts = exp(-0.02 * (x-1))*1000 rounded to the nearest integer, where x is the iTunes position. In numbers, this means:
And quickly becomes negligible for very low positions. Only the highest charting version of a song counts. Because there are 23 countries, the theoretical maximum is 23000 points, which happens when a song is #1 in each country.
most Lilly won't be in the Top 3 either 
...and we need this video ASAP
