"Stockholm has produced more unicorns per capita than any other city in the world" I don't know where this fact was sourced from and why it keeps on getting re

"Stockholm has produced more unicorns per capita than any other city in the world" I don't know where this fact was sourced from and why it keeps on getting repeated but it's obviously not true. According to http://fortune.com/unicorns/ http://fortune.com/unicorns/, Sweden currently has 2 unicorns, Spotify and Klarna. Add in Skype, Minecraft and Candy Crush Saga as unicorns that have exited and you're up to 5. In contrast, San Francisco alone has 34 with more in the greater Bay Area.