That helped the share price, which has roughly tripled over the last four years.

In the last 25 years, through intensive management, the state's wild sheep population has roughly tripled, to about 7,600.

The 20th century saw additions to the rear that roughly tripled the original size of the house.

The real gross national product has roughly tripled since then, so an equivalent burden now would be about $180 billion.

It would roughly triple the monthly premium, now $31.80, for insurance covering the cost of doctors' services.

Fiat will roughly triple the number of engines and parts to be made at the plant, the spokesman said on Friday.

By contrast, Mobic has roughly tripled its share of new prescriptions, to 17 percent.

Since then, however, global economic output has roughly tripled without any indication that the end is nigh.

At National Westminster, for example, that portfolio has roughly tripled since 1980, to $12.8 billion.

During the 1990's, hoteliers responded to high occupancy by roughly tripling the number of rooms to about 9,000.