Time of useful consciousness: chart of various altitudes averages

The chart below reflects various altitudes with the corresponding average TUC for healthy, young military pilots:

Reference 1: Time of Useful Consciousness, Altitude in meters and Altitude in feet.

Reference 2: FL 150, FL 180, FL 220, FL 250, FL 280, FL 300, FL 350, FL 400, FL 430 and FL 500 and above.

Source: http://en.wikipedia.org/wiki/Time_of_useful_consciousness