[tor-relays] ARM: Client locales on connections page

Hi,

I recently found the "Client locales" function on the connection page of ARM. What exactly is the number behind the country code:

ir 223334 (%13) us 188412 (%11) │ it 133819 (%8 ) │ de 121516 (%7 ) │ kr 102462 (%6 )

Thanks,

Klaus