So far, most of the impact assessment has been based on developed countries' data, but with the gradual increase in the availability of comparable data from a number of developing countries, more analysis could be provided in the near future.
迄今为止，大部分影响评估所立足的是发达国家的数据，但随着一些发展中国家可获得的可比数据的逐渐增加，不久的将来可提供更多的分析。