This bar chart vividly shows the information about number of times people clean teeth. To begin with, we can see that there are categories in comparison which are more than three times, three times, twice and once. According to this paragraph, the largest number can be found twice which is about 53%, while the smallest number can be found in more than three times which is about 8%. Last but not least, the second largest number can be found in three times which is about 33%.In conclusion, while the second smallest number can be found in once which is about 12%.