去年自哥国进口总数约60亿美元，但今年八月起已大幅滑落，今年十月与去年同月份相较下滑71%。

These totalled some $6 billion last year but have fallen steeply since August, and by 71% in October compared with the same month last year.

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现在让我们对美国也做同样的计算，减去从加拿大进口和从美国屠宰的全部猪的总数，然后除以美国种猪群体数。

Now lets do the same calculation for USA subtracting all pigs imported from Canada from USA slaughter total and then divide by U. s breeding herd.

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从日本的进口占总数的百分之四十。

Imports from Japan accounted for forty percent of the total.

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