Number of screening breath tests and the number positive/refused, by police force area, England Wales 2003-07^{( 1, 2)} and Wales 2003-07^{( 1,2)}

Police force area

Data

2003

2004

2005

2006

2007

Avon and Somerset

Sum of Total Offences

24,492

27,297

21,928

15,779

15,655

Sum of Positive/Refused

3,297

3,028

3,182

2,735

2,445

% Positive or refused

13

11

15

17

16

Bedfordshire

Sum of Total Offences

6,633

7,764

6,704

3,093

2,578

Sum of Positive/Refused

1,116

1,143

942

931

1,060

% Positive or refused

17

15

14

30

41

Cambridgeshire

Sum of Total Offences

12,300

12,300

12,500

12,500

12,000

Sum of Positive/Refused

1259

1,255

1,313

1,463

1,405

% Positive or refused

10

10

11

12

12

Cheshire

Sum of Total Offences

11,854

2,0155

22,005

35,747

32,210

Sum of Positive/Refused

2,395

2,430

1,957

2,199

2,046

% Positive or refused

20

12

9

6

6

Cleveland

Sum of Total Offences

8,716

8,056

10,826

11,308

10,140

Sum of Positive/Refused

1,090

674

732

824

623

% Positive or refused

13

8

7

7

6

Cumbria

Sum of Total Offences

5,513

8,430

13,577

13,804

16,217

Sum of Positive/Refused

648

683

819

793

811

% Positive or refused

12

8

6

6

5

Derbyshire

Sum of Total Offences

32,570

31,023

17,685

16,019

15,873

Sum of Positive/Refused

1,677

2,129

1,325

1,127

996

% Positive or refused

5

7

7

7

6

Devon and Cornwall

Sum of Total Offences

10,914

10,690

10,423

13,562

16,687

Sum of Positive/Refused

2,959

2,803

2,572

2,617

2,244

% Positive or refused

27

26

25

19

13

Dorset

Sum of Total Offences

8,464

6,938

7,917

8,706

8,038

Sum of Positive/Refused

1,708

1,683

1,808

1,883

1,828

% Positive or refused

20

24

23

22

23

Durham

Sum of Total Offences

7,558

6,080

7,734

6,945

8,160

Sum of Positive/Refused

1,135

1,211

1,073

1,055

969

% Positive or refused

15

20

14

15

12

Dyfed-Powys

Sum of Total Offences

5,982

6,686

6,917

7,291

9,429

Sum of Positive/Refused

1,088

1,061

995

982

887

% Positive or refused

18

16

14

13

9

Essex

Sum of Total Offences

15,481

25,337

34,249

28,436

25,946

Sum of Positive/Refused

2,754

2,983

2,713

2,788

2,509

% Positive or refused

18

12

8

10

10

Gloucestershire

Sum of Total Offences

8,647

7,144

9,122

10,090

8,262

Sum of Positive/Refused

1,432

1,281

1,318

1,525

1,354

% Positive or refused

17

18

14

15

16

Greater Manchester

Sum of Total Offences

20,900

19,900

18,900

18,100

18,025

Sum of Positive/Refused

7,100

6,300

5,400

5,310

5,225

% Positive or refused

34

32

29

29

29

Gwent

Sum of Total Offences

2,794

1,632

1,957

1,702

2,374

Sum of Positive/Refused

1,264

1,255

1,204

1,280

1,083

% Positive or refused

45

77

62

75

46

Hampshire

Sum of Total Offences

37,529

38,399

38,323

34,772

26,208

Sum of Positive/Refused

3,997

3,802

4,277

3,721

4,513

% Positive or refused

11

10

11

11

17

Hertfordshire

Sum of Total Offences

4,011

7,289

11,900

12,693

12,030

Sum of Positive/Refused

2,075

2,028

1,868

1,866

1,884

% Positive or refused

52

28

16

15

16

Humberside

Sum of Total Offences

6,545

5,619

5,717

10,009

11,885

Sum of Positive/Refused

1,542

707

738

1,561

1,052

% Positive or refused

24

13

13

16

9

Kent

Sum of Total Offences

24,553

32,019

31,187

31,684

28,629

Sum of Positive/Refused

2,983

3,178

2,175

2,237

1,753

% Positive or refused

12

10

7

7

6

Lancashire

Sum of Total Offences

7,981

10,204

12,990

16,359

19,158

Sum of Positive/Refused

2,882

2,896

2,861

2,949

2,687

% Positive or refused

36

28

22

18

14

Leicestershire

Sum of Total Offences

12,007

15,799

14,419

9,980

6,644

Sum of Positive/Refused

2,280

2,222

1,954

1,859

1,898

% Positive or refused

19

14

14

19

29

Lincolnshire

Sum of Total Offences

12,076

11,310

11,431

10,581

14,722

Sum of Positive/Refused

1,065

938

995

1,161

1,101

% Positive or refused

9

8

9

11

7

London, City of

Sum of Total Offences

1,237

683

1,117

1,553

1,375

Sum of Positive/Refused

239

136

184

250

209

% Positive or refused

19

20

16

16

15

Merseyside

Sum of Total Offences

7,722

5,019

8,003

10,642

12,829

Sum of Positive/Refused

2,299

2,281

2,090

1,966

1,931

% Positive or refused

30

45

26

18

15

Metropolitan Police

Sum of Total Offences

55,993

61,535

67,461

65,025

66,919

Sum of Positive/Refused

16,049

15,719

16,677

18,447

17,273

% Positive or refused

29

26

25

28

26

Norfolk

Sum of Total Offences

4,030

4,805

10,367

7,844

6,366

Sum of Positive/Refused

1,208

989

1,046

1,389

1,203

% Positive or refused

30

21

10

18

19

North Wales

Sum of Total Offences

1,7337

24,177

21,812

19,597

23,034

Sum of Positive/Refused

1,363

1,434

1,370

1,142

1,721

% Positive or refused

8

6

6

6

7

North Yorkshire

Sum of Total Offences

8,254

8,589

9,339

10,129

10,526

Sum of Positive/Refused

1,169

1,494

1,422

1,283

1,280

% Positive or refused

14

17

15

13

12

Northamptonshire

Sum of Total Offences

3,126

3,200

5,196

4,259

4,076

Sum of Positive/Refused

1,265

1,215

1,133

1,328

1,321

% Positive or refused

40

38

22

31

32

Northumbria

Sum of Total Offences

11,123

9,776

9,301

7,992

7,392

Sum of Positive/Refused

2,580

2,184

,632

2,637

2,391

% Positive or refused

23

22

28

33

32

Nottinghamshire

Sum of Total Offences

7,146

8,241

7,923

7,172

7,250

Sum of Positive/Refused

2,456

2,508

2,445

2,320

2,258

% Positive or refused

34

30

31

32

31

South Wales

Sum of Total Offences

16,863

16,733

16,269

17,087

19,013

Sum of Positive/Refused

3,003

3,020

2,985

2,782

2,475

% Positive or refused

18

18

18

16

13

South Yorkshire

Sum of Total Offences

12,117

6,494

13,689

10,267

11,390

Sum of Positive/Refused

1,793

,419

3,712

2,854

2,622

% Positive or refused

15

37

27

28

23

Staffordshire

Sum of Total Offences

5,073

13,666

14,322

12,723

12,369

Sum of Positive/Refused

1,849

1,892

1,870

1,806

1,681

% Positive or refused

36

14

13

14

14

Suffolk

Sum of Total Offences

11,566

10,569

8,854

9,059

10,435

Sum of Positive/Refused

1,332

1,197

1,017

1,005

790

% Positive or refused

12

11

11

11

8

Surrey

Sum of Total Offences

8,858

9,484

9,605

8,278

6,915

Sum of Positive/Refused

941

1,067

1,043

870

701

% Positive or refused

11

11

11

11

10

Sussex

Sum of Total Offences

17,150

15,210

17,983

18,742

16,805

Sum of Positive/Refused

1,992

2,193

2,231

2,223

1,795

% Positive or refused

12

14

12

12

11

Thames Valley

Sum of Total Offences

16,049

15,363

14,629

13,538

14,850

Sum of Positive/Refused

6,303

3,965

5,873

3,821

3,488

% Positive or refused

39

26

40

28

23

Warwickshire

Sum of Total Offences

5,848

5,496

4,820

4,458

4,877

Sum of Positive/Refused

865

738

785

589

421

% Positive or refused

15

13

16

13

9

West Mercia

Sum of Total Offences

6,289

7,991

8,833

11,267

10,438

Sum of Positive/Refused

2,419

2,430

2,696

2,505

2,177

% Positive or refused

38

30

31

22

21

West Midlands

Sum of Total Offences

10,960

6,579

6,900

6,229

5,611

Sum of Positive/Refused

4,765

4,830

4,919

4,584

4,223

% Positive or refused

43

73

71

74

75

West Yorkshire

Sum of Total Offences

14,157

16,921

15,367

18,011

18,724

Sum of Positive/Refused

3,563

4288

4,686

5,928

6,427

% Positive or refused

25

25

30

33

34

Wiltshire

Sum of Total Offences

5,867

7,398

7,167

8,708

7,688

Sum of Positive/Refused

1,150

1,331

1,247

1,135

830

% Positive or refused

20

18

17

13

11

England and Wales

Sum of Total Offences

53,4285

578000

607368

601740

599,752

Sum of Positive/Refused

106,349

103,020

104,284

103,730

97,590

% Positive or refused

20

18

17

17

16

^{(1)} Figures for 2006 revised since previous publication. ^{(2)} Figures for 'positive/refused' contain some data on prosecutions for failing a breath test where shortfalls were found in the data supplied to the Home Office. The police forces affected are: Bedfordshire, Dyfed-Powys, Gwent, Essex, Humberside, Lancashire, Norfolk, Northumbria, South Wales and Staffordshire. Similar adjustments were also made to various forces' data between 1998 and 2006.