1987
£15,500.00
2022
£12,850.00
2021
£12,200.00
£11,850.00
£10,950.00
2015
£8,450.00
2017
£8,400.00
2014
£7,540.00
2010
£7,450.00
1989
£6,950.00
2019
£6,700.00
£6,250.00
£5,250.00
Circa 1979
£4,975.00
1995
£4,950.00
Circa 1990
£1,950.00