Both are far from the American goal of 50 percent.
Other countries set a goal of two or three percent.
And it is far from certain that China will be able to meet the 20 percent goal.
But even those efforts would only be small steps toward meeting the 25 percent goal.
The bank said it could reach the 4 percent goal by the end of 1988.
In return, the city will get an extra three years, until 2017, to reach its 58.5 percent goal.
This exceeded the 5 percent goal the company set about two years ago.
These targets would be adjusted from 2012 to 2020 to meet the 25 percent goal.
But she said she knows of no other town that has met the 25 percent goal yet.
Three-fourths of the states were unable to meet the 3 percent goal.