Percentage change in volume of recorded offences 2008 to 2009:
The offence groups with the highest percentage increases between 2008 and 2009 were Kidnapping and Related Offences (ICCS 05) which increased by 90% and Burglary and Related Offences (ICCS 07) which increased by almost 10%. There were also some decreases in recorded offences between 2008 and 2009, most noticeably in Road and Traffic Offences(NEC) (ICCS 01) which decreased by 17% and Offences against Government, Justice Procedures and Organisation of Crime (ICCS 15) which fell by 10 %.

Percentage change in volume of recorded offences 2005 to 2009:
There has been considerable change in the volume of offences recorded in a number of groups, in the period between 2005 and 2009. In particular Kidnapping and Related Offences (ICCS 05) increased by 97%, Controlled Drug Offences (ICCS 10) increased by almost two-thirds and Weapons and Explosive Offences (ICCS 11) rose by 59% in this period.

On the other hand the number of recorded Sexual Offences (ICCS 02) decreased by almost one-fifth and Homicide Offences (ICCS 01) fell by 30%, between 2005 and 2009.