Citation here: http://en.mercopress.com/2013/10/21/argentine-central-bank-l...
We'll add a link to this in the post now.
Reserves at 31 Dec were US$43.29b and at 18 Oct were US$34.25 = total loss of US$9.04b. Since there has been 291 actual days in the year up to 18 Oct, the daily loss is $31.08m.