Volume 4,600.
By the way, there appears to be a new presentation dated 1 October on their site (yes, I am hopeless and check religiously check their website).
http://files.shareholder.com/downloads/AMDA-1J2WSD/2493852960x0x694253/e587fc2a-32f1-4f91-86d7-d7a474d96470/Biota.pdf