Murray, IFC invested around 10 million in 2011 and 1.3 million in 2012. You can find the info in the news section on Allana website or look for the two Excel documents (FY12 Project Commitments - IFC and  FY11 Project Commitments - IFC) in this google search:

https://www.google.ca/search?q="allana+Potash"+site%3Aifc.org