The table shows data about underground railway systems in siz major cities with data opened, kilometres of route and passenger numbers per year in millions.

The table describes the statistics on underground railway systems of 6 different

countries

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with three categories.

Overall

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, the developed

countries

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London

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, Paris and Tokyo had far higher

figures

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than those of

Washington

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,

Kyoto

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and Los Angeles in each detail.

While

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Tokyo had by far the biggest

numbers

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with the exception of passengers per year, it was

Kyoto

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that showed the smallest

numbers

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. Focusing

firstly

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on Paris and Tokyo , the

figures

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for kilometres of the route were 1999 and 1927 respectively.

In contrast

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,

Kyoto

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and Los Angeles showed the reverse of the higher

numbers

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. Los Angels had significantly more passengers annually year than

Kyoto

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with corresponding

figures

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of 50 and 45 respectively, in 1981 and 2001. Regarding the average developed

countries

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,

London

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had higher

numbers

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in each detail than those of

Washington

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.

Although

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the

figures

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of both

countries

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in terms of kilometres of route(394 for

London

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and 126 for

Washington

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) and passengers per year were higher both

countries

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( 775 for

London

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and 144 for

Washington

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)