Descriptive statistics for regression variables by country: Averages and (standard deviations).
收藏数据链接：
官方服务：
资源简介：
All costs are in 2012 US$ and adjusted to the sub-Saharan Africa region using the ratio of the country PPP-adjusted GNI per capita to the region PPP-adjusted GNI per capita.
创建时间：
2015-12-02
