It says 3 years and that was in 2012. Now maybe I misunderstood the articles I read as you did yours.
2/14/12 -"His offseason plans include a trip to the Philippines, where Tebow was born. He wants to visit the construction of a hospital his foundation is funding and visit an orphanage he supports."
2/11/13 - "This is the core reason why Tim Tebow spent his spring break circumcising children in the Philippines. This is why he put out Super Bowl ads to speak out against abortion, ignoring the public relations consequences.