Country: country name
Year: year
Country code: World Bank country code
Region: World Bank administrative regions
Mean years of schooling (MYS): average of time of schooling
MLD: mean log deviation of time of schooling
Theil: Theil entropy index of time of schooling
GE(2): generalized entropy index of time of schooling (parameter value set to 2)
Gini index: Gini index of time of schooling
Population: population by gender (male, female, total) and age range (over-15, over-25) from Barro and Lee data.