*Rounded to the nearest 100s
**The most expensive major redesign cost £2.8 million

Resolution Mean* Sample
Existing Stock 100 7
Reclamation 1,300 38
Alternate 5,300 44
Equivalent (Substitute) 13,500 50
Aftermarket 15,900 91
Emulation 73,000 50
Minor Redesign 74,400 53
Major Redesign** 305,900 45