I'd be interested to know how many are former Boeing customers. The implication is that people are switching from Boeing to Airbus but it's quite possible a lot of these airlines have always been Airbus customers.
Avalon doesn't have fleet information on Wikipedia (I'm not in the industry and have no idea what a reputable place to go to get this information would be)
Air India are about 60% Airbus: https://en.wikipedia.org/wiki/Air_India_fleet
Turkish Airlines are about 50/50: https://en.wikipedia.org/wiki/Turkish_Airlines_fleet#Current...
EasyJet are all Airbus: https://en.wikipedia.org/wiki/EasyJet#Fleet
Avalon doesn't have fleet information on Wikipedia (I'm not in the industry and have no idea what a reputable place to go to get this information would be)