However, one has spent £6.4m and the other just 1.2 in the same 3 month period.

The company sold just over 130 of the cars during a 20 month period.

You must live, or have lived there, for at least 185 days in a 12 month period.

The project will be implemented over the course of 36 month period.

June you have been inside for 90 days - and the 6 month period ends.

A 12 month period must be made up of consecutive months.

All 37 buildings were built within a three month period.

A total of 26, 25-minute shows were produced over an 18 month period.

More than 66,000 had been displaced in an 18 month period.

It must be let for at least 70 days in the 12 month period.