At the second stage the number of plants will be increased to eight.

This is now known to be the case only in a small number of plants.

The total number of plants is estimated to be under 1000.

The total number of plants is estimated at around 1000.

A number of plants began operating there in the late 1990s.

Since then, a small number of plants were discovered growing near the original four.

We know that there are a number of plants in Japan.

It seems likely that quite a number of new plants will be coming onto the market in Europe over the next few years.

There are often several cases together on a small number of plants.

There are three known populations for a total number of plants between 200 and 300.