In 1972 the prize fund was # 10,000 and by 2006 it had increased to # 2.4 million and the organisers hope to increase it to # 3 million in 2007.
The prize fund was # 10,000. This was in 1972. It had increased to # 2.4 million. This was by 2006. The organisers hope to increase it to # 3 million in 2007.