関連ワード:
which country has the highest income per person which country has the highest income per person in 2008 which country has the largest income per person which country has the highest income per capita which country has the highest average income per person which latin american country has the highest income per person which country has the highest annual income per capita in central america which country has the highest disposable income per capita which country has the highest income per capita in the world which country has the highest gross national income per capita
