His goal is to increase the percentage of college graduates from forty percent to sixty percent by the year twenty-twenty.

VOA: special.2010.08.12

The study found a big increase in the percentage of married women who earn more money than their husbands.

VOA: special.2010.02.19

That was eight percent higher than the year before, the largest percentage increase since nineteen eighty.

VOA: special.2009.11.26

It aims to increase the percentage of elementary schools that offer outdoor play time.

VOA: special.2010.06.07