The original town surrounded with wall, expanded outside from the 14th century due to an increase of population.

The town expanded yet further and by 1938 it had reached over 30,000 inhabitants.

By the end of the 17th century, the town had expanded considerably.

In the early 20th century, the town expanded several times.

The town expanded in the 1940s and 1950s by use of political prisoners' forced labor.

The town slowly expanded during the first half of the 19th century.

The town expanded in the 1930s with the construction of a chemical plant.

The town has expanded rapidly within the last 15 years.

Since the town was expanding at the turn of the century, the population for the earlier time would be a little less.

It was not until the 19th century that the town expanded beyond its walls.