That, he said, helps contribute a substantial fraction of the state's $19 billion in personal income.

So it is probably a pretty substantial fraction of your annual wear and tear.

By 2176, just a hundred years ago, a substantial fraction of the human race was no longer Earthborn.

One million immigrants on food stamps is a substantial fraction of our total immigrant population.

A substantial fraction of the species sampled are very rare.

"A substantial fraction" of the elderly, they said, spend their savings rather than maintain or increase them.

This is a substantial fraction of the age of the universe.

But it also calls for steps that would be felt by a substantial fraction of the company's 981,000 electric customers.

This group also would invest a substantial fraction of payroll taxes in the stock market.

If that's right, it accounts for a substantial fraction of the world's joblessness.