The figures requested are shown in the following table.
These figures have been drawn from the police’s administrative IT system, the police national computer (PNC), which, as with any large scale recording system, is subject to possible errors with data entry and processing. The figures are provisional and subject to change as more information is recorded by the police.
Force Number of drivers convicted of driving under the influence of alcohol/drugs (East of England) Number of these drivers with a previous conviction for the same offence Percentage of drivers with a previous conviction for the same offence 2000 Bedfordshire 601 101 16.8 Cambridgeshire 645 78 12.1 Essex 1,985 268 13.5 Hertfordshire 1,287 187 14.5 Norfolk 893 115 12.9 Suffolk 713 77 10.8 Grand Total 6,124 826 13.5 2001 Bedfordshire 725 132 18.2 Cambridgeshire 675 107 15.9 Essex 2,008 312 15.5 Hertfordshire 1,417 216 15.2 Norfolk 897 129 14.4 Suffolk 785 112 14.3 Grand Total 6,507 1,008 15.5 2002 Bedfordshire 769 165 21.5 Cambridgeshire 742 131 17.7 Essex 2,149 396 18.4 Hertfordshire 1,669 289 17.3 Norfolk 1,040 164 15.8 Suffolk 924 162 17.5 Grand Total 7,293 1,307 17.9 2003 Bedfordshire 920 206 22.4 Cambridgeshire 833 176 21.1 Essex 2,280 478 21.0 Hertfordshire 1,655 327 19.8 Norfolk 1,081 212 19.6 Suffolk 1,030 185 18.0 Grand Total 7,799 1,584 20.3 2004 Bedfordshire 938 191 20.4 Cambridgeshire 996 191 19.2 Essex 2,491 540 21.7 Hertfordshire 1,677 337 20.1 Norfolk 1,095 213 19.5 Suffolk 1,129 213 18.9 Grand Total 8,326 1,685 20.2 2005 Bedfordshire 958 231 24.1 Cambridgeshire 1,192 246 20.6 Essex 2,356 560 23.8 Hertfordshire 1,717 387 22.5 Norfolk 1,140 244 21.4 Suffolk 987 219 22.2 Grand Total 8,350 1,887 22.6 2006 Bedfordshire 1,037 241 23.2 Cambridgeshire 1,202 251 20.9 Essex 2,557 580 22.7 Hertfordshire 1,810 432 23.9 Norfolk 1,226 268 21.9 Suffolk 1,054 236 22.4 Grand Total 8,886 2,008 22.6 2007 Bedfordshire 999 268 26.8 Cambridgeshire 1,186 265 22.3 Essex 2,472 572 23.1 Hertfordshire 1,862 421 22.6 Norfolk 1,222 299 24.5 Suffolk 993 199 20.0 Grand Total 8,734 2,024 23.2 2008 Bedfordshire 877 233 26.6 Cambridgeshire 1,060 258 24.3 Essex 2,380 582 24.5 Hertfordshire 1,662 408 24.5 Norfolk 1,057 257 24.3 Suffolk 878 220 25.1 Grand Total 7,914 1,958 24.7 1 The data include a range of offences under the Road Traffic Act. They can be found in sections 4(1), 5(1) (a), 7(6), 4(2), 5(1) (b), 6(4) and 7A as amended by the Police Reform Act 2002 and the Transport and Works Act 2002. 2 Previous convictions are taken whether committed in East of England of elsewhere in England and Wales.