The information available is in the following table.
Precept (Band D) 1997-98 Precept (Band D) 2010-11 Police Authority Cash Real Cash=real terms Avon and Somerset 52.04 70.46 168.03 Bedfordshire 52.51 71.10 144.77 Cambridgeshire 51.03 69.10 169.56 Cheshire 51.16 69.27 144.53 Cleveland 54.87 74.29 187.84 Cumbria 58.20 78.80 193.89 Derbyshire 51.31 69.47 163.74 Devon and Cornwall 49.79 67.42 156.60 Dorset 63.59 86.10 180.00 Durham 52.20 70.68 153.41 Essex 54.09 73.24 132.12 Gloucestershire 51.17 69.28 199.69 Greater Manchester 54.10 73.25 144.33 Hampshire 51.75 70.07 146.25 Hertfordshire 51.51 69.75 147.82 Humberside 52.47 71.04 166.47 Kent 51.59 69.85 138.68 Lancashire 53.25 72.10 146.27 Leicestershire 52.26 70.76 169.63 Lincolnshire 69.03 93.47 179.28 Metropolitan 63.27 85.67 216.83 Merseyside 66.87 90.54 146.23 Norfolk 50.58 68.49 191.16 North Yorkshire 49.72 67.32 204.55 Northamptonshire 70.56 95.54 193.20 Northumbria 52.73 71.40 83.68 Nottinghamshire 49.78 67.40 160.11 South Yorkshire 53.29 72.16 132.33 Staffordshire 54.74 74.12 177.61 Suffolk 51.39 69.58 160.74 Surrey 44.64 60.44 198.54 Sussex 51.66 69.95 138.42 Thames Valley 52.79 71.48 154.30 Warwickshire 52.24 70.73 174.10 West Mercia 50.87 68.88 178.72 West Midlands 53.20 72.03 99.45 West Yorkshire 53.17 71.99 130.50 Wiltshire 55.22 74.77 157.77 Dyfed Powys 48.42 65.56 181.44 Gwent 49.10 66.48 181.38 North Wales 48.52 65.70 201.33 South Wales 49.22 66.64 153.67 England Average 54.07 73.21 161.35 England and Wales Average 53.57 72.53 163.07 Sources: 1. English Police Authorities—DCLG 2. Welsh Police Authorities—WAG The averages calculated here are the averages of the precepts displayed above.