The following pie charts show the main modes of transportation people used to travel to university for work or study in 2004 and 2009.

The pie charts compare the five modes of transportation people used to travel to university for

work

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or study in 2004 and 2009. It is clear from the pie chart that

bus

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and

car

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were the most common way to commute in 2004 and 2009. In 2004, the proportion of going to

work

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by

car

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was over half of the total means of transportation,

while

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it experienced a sharp decline from 51% to only 28% after 5 years, becoming the

second

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-largest. The

bus

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showed a different pattern, the figure for the

bus

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used to be the

second

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most important way to

work

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, become more important and exceeded the figure for the

car

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, from only 33% in 2004 to 46% in 2009.

Similarly

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, the percentage of riding bicycles to

work

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showed an upward trend, reaching 16% in 2009. And the means of train and walking have slightly fluctuated between 3% to 6% during

this

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period. In conclusion，the means of commuting by

car

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and

bus

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constituted the largest part of transportation over the period.