Jungle Share measures each player’s share of all neutral minions killed during the game, and then averages each player’s shares over all games played.
NA LCS 2015 Spring Split Jungle Share
The highest jungle share went to Meteos of Cloud9, with 38.7%, miles ahead of Santorin’s second-place 33.0%.
Among Junglers, the smallest jungle share went to Winterfox’s Helios.
You can check out a lot more jungle farm statistics in the full GoldPer10 article: Jungle-Hungry: Neutral Minion Kill Statistics from the NA LCS 2015 Spring Split.