The given pie charts illustrate the leading types of transportation for people who went to a university for work or studying between 2004 and 2009.
Overall, the majority of people used cars (in 2004) and buses (in 2009) to go to universities, whereas trains and walking constituted considerably smaller proportions. There were several changes: the appearance of a new bus stop from 2006 and car parking in 2008.
In 2004, car driving was one of the most useful methods of transportation, accounting for 51%, while buses received only 33%. On the contrary, bicycles were not the main types of vehicles, numbering 9%, whereas, walking and using trains each amounted to 4% and 3%, respectively.
In 2009, bus usage considerably increased to 46%, while car driving dramatically dropped to 28%. Unlike 5 years ago, the percentage of bike utilisation slowly grew to 16%, whereas the proportion of walkers slightly went up to 6% and using trains rose only by 4%.