crime in Manchester

The line graph depicts the trend in three proportion of crime in Manchester city center in 2003 to 2012.
Overall, car theft and robbery gained little changes over the years in contrast to burglary with a drastic decrease. The proportion of robbery remained the lowest in 9 years.
While car theft and robbery were slightly upward in 2004(700 and 2400) compared to burglary is at its peak in 2004 with 3700 incidents. In 2005, robbery reached its highest at 900 incidents. By contrast, the burglary proportion started its drastic decrease and incidents related to robbery also subtly decrease with a downward trend till 2006. Both proportion for robbery and burglary achieved the lowest point at approximately 1000 incidents and 500 incidents for robbery in 2008.In contrast to car theft started its upward trend in 2008 and peak at 2800 in 2012.