Complex sentence: In 1961, the town was 2.64 km 2 with a population of 33,305; in 1971, it extended to 7.25 km 2 holding a population of 48,509 and in 1991, it was 12.58 km 2 with a population of 78,834.
Split into simpler sentences: In 1961, the area of the town was 2.64 km 2 with a population of 33,305; in 1971, it extended to 7.25 km 2 and the population reached 48,509. In 1991, it was 12.58 km 2 with a population of 78,834.