"And the fastest-growing portion of the business is Mexico, which grew at an 80 percent rate in the first half of the year."

One of the fastest-growing portions of the state budget is the debt service.

The category is said to represent the fastest-growing portion of the county budget.

The fastest-growing portions of the charitable pie have been grants by foundations and corporations and large gifts of stock by individuals.

Since the mid-1990's, older people have become the fastest-growing portion of the work force.

Today, the work-station market is the fastest-growing portion of the computer industry.

Services is clearly the largest and fastest-growing portion of the information technology industry, and we continue to extend our leadership position each quarter.

Electronic products make up the fastest-growing portion of the waste stream.

Yet each new feature puts more strain on designers trying to keep the service accessible to novices, still the fastest-growing portion of the market.

Removal of plaque, the primary cause of gum disease, is thought to be the fastest-growing portion of the $2.5 billion domestic oral care market.