With this downward pressure on import prices, productivity-  10  For example, the prices of many non-indexed commodities have risen more rapidly than those of indexed ones.
11  The TSX energy sector has risen roughly 18 per cent per year since the beginning of 2002, while the metals and mining sector is up 11 per cent annually and the fertilizers and agricultural chemicals sector is up 44 per cent annually. These sectors have a combined weighting of 50.3 per cent of the TSX composite index.