What is the percentage of your mobile traffic

Do you receive traffic from mobile devices? How much traffic do you receive from mobile devices? I have less than 2 percent mobile traffic (according to Google Analytics data). My websites are optimized for mobile devices, however, I don't receive a lot of mobile traffic. This is the reason why I have never considered creating app for my website

Does this amount of traffic have any significance to the revenue generated on your site? I thought most people like to browse using mobile devices which is why sites have to be optimized for them.