What stretching exercises should i do to grow taller?

im exactly 17 years and 4 months old..i wanted to grow taller juz even for 2-3 inches.. bt i really dint know what should i do in order to grow taller.. i had checked for many websites,but each site said different things to be done.. so i think they are not reliable..! if you guys know about it or mayb you guys experienced before.. pls share wif me..!! i REALLY WANT TO GROW TALLER. ur reply is much apreciated... ! thanks