Does anyone know where to download historical data for the CRB Commodity Index?

I've found all kind of charts and graph, but not a single site actual give you the Excel file. Yahoo Finance doesn't seem to have this index, just some similar ones like CRBQ that only goes back to 2009 :/

Submitted October 04, 2014 at 10:02AM by tim835 http://ift.tt/Z1a5jq