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181W<br />
Written Answers<br />
26 OCTOBER 2009<br />
Written Answers<br />
182W<br />
Table 3: Both heroin and cocaine (both powder cocaine and crack cocaine)<br />
Force 2004-05 2005-06 2006-07 2007-08 2008-09<br />
South Wales — 318 235 383 339<br />
South Yorkshire 833 1,455 2,182 1,954 1,499<br />
Staffordshire 102 92 89 94 39<br />
Thames Valley 528 518 919 1,152 973<br />
West Midlands 1,235 2,816 5,268 5,677 4,647<br />
West Yorkshire 747 1,298 3,272 3,637 2,959<br />
Tables 4, 5 and 6 show the proportion of tests under<br />
DIP which were positive for heroin only, cocaine only,<br />
and heroin and cocaine combined, for each financial<br />
year since data was available.<br />
Table 4: Heroin only<br />
Percentage<br />
Force 2004-05 2005-06 2006-07 2007-08 2008-09<br />
Avon and Somerset 11 10 8 6 6<br />
Bedfordshire 16 12 7 4 7<br />
Cambridgeshire 20 14 13 10 11<br />
City of London — — 7 5 6<br />
Cleveland 23 21 16 13 13<br />
Devon and Cornwall 32 23 22 13 17<br />
Greater Manchester 13 11 10 7 8<br />
Gwent — 11 17 13 18<br />
Humberside 17 20 15 11 13<br />
Lancashire 26 27 23 20 18<br />
Leicestershire 16 17 13 12 14<br />
Merseyside 11 9 6 6 7<br />
Metropolitan police 8 9 5 4 5<br />
North Wales 31 28 24 16 21<br />
Northamptonshire — 14 8 6 8<br />
Northumbria 21 18 14 12 10<br />
Nottinghamshire 18 14 11 9 8<br />
South Wales 100 21 24 18 19<br />
South Yorkshire 20 18 14 12 11<br />
Staffordshire 24 25 26 22 17<br />
Thames Valley 11 8 6 6 7<br />
West Midlands 14 17 10 7 8<br />
West Yorkshire 18 17 10 7 7<br />
Table 5: Cocaine only (both powder cocaine and crack cocaine)<br />
Percentage<br />
Force 2004-05 2005-06 2006-07 2007-08 2008-09<br />
Avon and Somerset 15 16 12 15 17<br />
Bedfordshire 14 18 14 17 15<br />
Cambridgeshire 7 6 5 10 10<br />
City of London — — 13 15 12<br />
Cleveland 10 11 11 14 13<br />
Devon and Cornwall 3 5 5 8 13<br />
Greater Manchester 11 11 12 16 13<br />
Gwent — 16 10 13 9<br />
Humberside 7 7 7 10 8<br />
Lancashire 5 6 5 7 10<br />
Leicestershire 10 6 8 9 10<br />
Merseyside 13 13 17 23 21<br />
Metropolitan police 20 17 16 19 18<br />
North Wales 4 6 7 9 9<br />
Northamptonshire — 13 12 14 13<br />
Northumbria 8 9 11 12 11<br />
Nottinghamshire 11t 9 9 13 12<br />
South Wales 0 8 7 11 10<br />
South Yorkshire 9 8 8 12 10<br />
Staffordshire 7 8 7 8 7<br />
Thames Valley 14 17 14 16 12<br />
West Midlands 11 9 10 14 13<br />
West Yorkshire 8 9 9 13 12