The figures requested are in the following table and cover a range of offences related to driving under the influence of drink or drugs and failing to provide a specimen. The table shows the number of offenders with previous convictions for any of these offences. Figures for 1999 are not available.
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.
Number of drivers convicted of driving under the influence of alcohol/drugs Number of drivers convicted for the first time of driving under the influence of alcohol/drugs Number of drivers with at least one previous conviction for this offence Percentage of drivers convicted for the first time Percentage of drivers with at least one previous conviction 2000 793 652 141 82.2 17.8 2001 862 712 150 82.6 17.4 2002 927 722 205 77.9 22.1 2003 897 720 177 80.3 19.7 2004 939 718 221 76.5 23.5 2005 816 633 183 77.6 22.4 2006 831 634 197 763 23.7 2007 828 624 204 75.4 24.6 2008 797 615 182 77.2 22.8 1 The data includes 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.