It will depend very much on, which games you play, and also how good you are. But you can use a tracker like PT4 to see, how different hands actually perform for you in cash games. In tournaments you cant break it down so easily, because so much depends on, which stage of the tournament, you are in, stack sizes etc. The most winning hand by far is obviously AA, and for me in my
pokerstars cash game database, the winrate with AA is around 1.200 BB / 100. With KK its 650 BB / 100, and then it goes down from there.