[url=http://www.ccic.ca/_files/en/what_we_do/002_aid_2005-06_cida_estimates.pdf]

[quote]The publication of the Part III Estimates for 2005-06 does not change CCIC’s overall projection 
for Canadian aid of this year – 0.34% of Canadian Gross National Income.[/quote]

0.34% of Canadian GNI in 2005-2006 was $36,378,980,000 (USD).

Using Occam's razor, I would go with Halo's number.