The line graph sets out the figure of incidents of car theft, house burglary, and street robbery in a certain city between the year 1970 and 2005.
Overall, all types of crime experienced upward trends throughout the period. The number of car theft had flutuation but in general, increased sharply. House burgling incidents saw a dramatical increase initially but went down in the rest period after reach the peak. The figure of street robbery was always at the bottom of the list.
Car theft incidents in this urban started at 0.40 million in 1970 and after 25 years, it reached the peak 1.60 in 1995. The number decreased by 0.60 million in 2005. The data on house burglary stood at 0.20, which was half of car theft in 1970. It quickly increased in ten-year period and diminished after reached the peak approximately 0.90 in 1980.
In contrast, street robbery recorded the lowest figure in this survey. Started around 0.10 million incidents, the number of street robbery increased slightly during the period. It reached the peak in 2005 at 0.40 million incidents, which was the point of beginning of car theft.
