加拿大4月原材料价格指数年率 -3.6%，前值3.9%。

Core Viewpoint - The Canadian raw materials price index experienced a year-on-year decline of 3.6%, contrasting with a previous increase of 3.9% [1] Group 1 - The raw materials price index indicates a significant shift in pricing trends within the Canadian market [1] - The decline in the index suggests potential implications for inflation and economic activity in Canada [1]