The given chart represents several types of felony happening in London from 2003 to 2012.
Overall, armed robbery decreased significantly over the entire time period. By contrast, assault increased gradually, and murder remained relatively stable.
In 2003, the highest number of offences was conducted by armed robbers with just below 3,500 cases and increased slightly to somewhere in the vicinity of 3,700 in 2004. After that, London saw a sharp drop in that figure to just over 1,000 in 2008. Then, armed robbery had a small increase and remained constant at nearly 1,500 in 2012.
On the other hand, starting at the second highest number of crimes in 2003, assault fluctuated around 2,300 over the next 6 years, before increasing dramatically to become the most common illegal behaviors with more than 2,700 in 2012. Meanwhile, the city witnessed fewer cases of murder, which hovered between 500 and 1000 during the whole research period.