Nevertheless, this trend in intra-regional trade has been undergoing a revival and the share of this trade has more than doubled since 1980, growing at a steady, albeit modest pace of 4 per cent annually.
尽管如此，这种区域内贸易的趋势正在复兴中，其份额自1980年以来已翻了一番以上，每年稳定但适度地增长4％。