Eyes developed quite a following during their first few years of existence.

During 71 years of its existence the university had about 4100 students.

The early years of the University's existence were difficult ones.

Over their 30 years of existence they have raised more than £250,000.

There are around 600 members and the association in its 12 years of existence.

After a few events and less than a year of existence it went public.

They spent £27,000 in the three years of the firm's existence.

The first 25 years of the school's existence were tough.

The Earth, in the first few hundred million years of its existence, was nearly dead.

In all the years of its existence nothing like this had happened.