But many of you are doing even more. In Mexico, over the last five years, private investments account for more than 4,000 kilometers of highways. Here in Chile, privatization and private sector financing is very successful. The national port sector, for example, includes substantial private investment, greatly increasing port efficiency. The second critical element of our strategy is to make competition our guiding principle.
Competition benefits consumers and businesses.
Let me use aviation as an example. It has a three year phase-in. Obviously, this puts enormous pressure on each of our airlines, but we cannot shelter and protect them forever. They must learn to become self-sufficient and competitive. Unfortunately, we don't have enough open skies agreements.