Data recorded by the Greek military has shown that Turkish aircraft violated its claimed airspace 2,244 times in 2014. By October of this year, Turkish aircraft had made 1,443 intrusions with the financially-weakened Greek military stuggling to respond.
http://www.forbes.com/sites/niallmccarthy/2015/11/26/turkish-jets-violated-greek-airspace-over-2000-times-last-year-infographic/