increase the numbers

See: compound
References in classic literature ?
To judge from the conduct of the opposite parties, we shall be led to conclude that they will mutually hope to evince the justness of their opinions, and to increase the number of their converts by the loudness of their declamations and the bitterness of their invectives.
I explained that reform might increase the number of British citizens who had the right of voting at elections for parliament.
They say, that during the reigns of their ancient kings they used to present foreigners with the freedom of their city, to prevent there being a want of men while they carried on long wars; it is also affirmed that the number of Spartans was formerly ten thousand; but be that as it will, an equality of property conduces much to increase the number of the people.
It would be just the thing in the London parks; without counting that it would be another way to increase the number of fruit-trees.
We had only three boarders and half a dozen day-pupils to commence with; but by due care and diligence we hoped ere long to increase the number of both.
Secondary schools will also be expected to lower dropout rates and increase the numbers of students in college preparatory and advanced placement classes.
However, Costas has said one of the school's top priorities is to increase the numbers of students that transfer from bilingual to traditional classrooms.
Olive Vista has pledged to increase the number of students in college preparatory math classes from 5 percent to 10 percent and increase the number of limited-English speaking students that transition into traditional classes from 10.