E. Quantitative analysis.

Indicating the probability of extinction in the wild to be: less than or equal to 50% in 10 years or 3 generations, whichever is longer (100 years max.) (CR), less than or equal to 20% in 20 years or 5 generations, whichever is longer (100 years max.) (EN), less than or equal to 10% in 100 years (VU).