简答题：Below is a graph showing the distribution of cal"accidents

Below is a graph showing the distribution of cal"accidents in a city durin9 2012．Look at the graph and write an essay of about l20 words making reference to the following points：
1)the distribution of cai"accidents in different months and general fiend in 2012
2)the possible reasons for the distribution of cal"accidents in the city The number of car accidents． THIS IS THE END OF THE TEST。