[This is still being worked on!]

Oolong tea oxidation percentages.

Tea Type	Oxidation	Notes
GreenTea	1-5%
Baozhong/Pouchong Oolong	8 to 12%	Called light oolong, almost a green tea
Se Chung Oolong	?8 to 14?	less than Ti Kuan Yin, [But is it less than pouchong?]
Raw Pu-erh	10%
White Tea	11-15%
Oolong Tea	10% to 80%
Jade Tie Kuan Yin / Iron Goddess of Mercy	15%	Tie Kuan Yin
Slimming Oolong	15%	Ti Kuan Yin
Blue Spring Oolong	15%	Made with Tie Kuan Yin
Quangzhou Milk Oolong	20-30%
Yellow Tea	40% or 9%	which is it? Yellow tea is a special case of oxidation
Da Hong Pao / Big Red Robe Oolong	40%
Dragon Phoenix	45%
Formosa Oolong	60% to 75%
White Tip Oolong	70%	heavily oxidized
Ripe Pu-erh	90%
Black Tea	90% to 100%

These numbers are averages and examples that are different are easy to find. Blue Spring Oolong is made with Tie Kuan Yin/Tieguanyin Oolong and there are many types of that Oolong with different oxidation levels. Oxidation ends when the tea leaves are heated or steamed. The longer a tea oxidizes the less "grassy" it tastes.

New sheng pu’er 15%
Guangdong Oolongs 25-50%
South Fujian Oolongs 30-50%
Taiwan Oolongs 15-80%
North Fujian Oolongs 60-80%
Mature sheng pu’er 90%
Shu pu’er 100%