That's 15 times less than the US ratio. With Billboard's ratio, Bieber would have had 1,855 streaming sales this week which is much more logical and doesn't ruin the chances of newcomers too much.
???
In the U.S., 1500 = 1 ALBUM, not a song.
The RIAA also uses the 1:100 ratio for their song certifications, which even include video streams.