"(2) 122.700, 122.725, 122.800, 122.975, 123.000, 123.050 or 123.075 MHz at all other airports." What is it your need to feel better? Do you need a study showing the most popular frequency? Someone to hold your hand? 122.8 was the standard back in the day and still is at least many of the airports I fly. It's ok, I will let you win the internet today because you feel the need to sideline a discussion over minutia.