Wikipedia entity: Tobacco
Topics: youth smoking; statistics; global trends
Original sentence: This represented approximately three in 10 high school students (31.2%) and approximately one in eight middle school students (12.5%).Rates of smoking continue to rise in developing countries, but have leveled off or declined in developed countries.
Quantified sentence: This represented approximately three in 10 high school students (31.2%) and some (approximately one in eight) middle school students .Rates of smoking continue to rise in developing countries, but have leveled off or declined in developed countries.
Quantifier: some
Percentage: 12.50%
Specificity: partially