A survey of over 6,000 people who use the internet 5+ hours a week was conducted in February.
9% of them were aware of the domain extension .tel:
http://domainnamewire.com/2015/06/01/icann-survey-com-still-king-but-new-tlds-have-a-chance-especially-outside-u-s/
9% of them were aware of the domain extension .tel:
http://domainnamewire.com/2015/06/01/icann-survey-com-still-king-but-new-tlds-have-a-chance-especially-outside-u-s/