I'll turn to Mr. Ertl for technical details on how we would do that, but certainly we could take a look at any distribution of goods and how the price has changed over time.
We regularly update the CPI basket, as most countries do, on a regular basis. For the past couple of years, we've been updating it annually. We do this in order to respond to the changing consumption patterns of Canadians.
However, if what you're looking for is a kind of—