JennyB, whilst not fully understanding your gripe with Coventry, the figures I have are as follows:
2003: 3 314 tonnes
2004: 3 299 tonnes
2005: 6 142 tonnes
2006: 12 474 tonnes
2007: 11 386 tonnes
Obtained from:
A-Z World Airports Online - Country Index - United Kingdom airports - Coventry - West Midlands International Airport (CVT/EGBE)