Since 2003 the cost of this has increased by 470%. What is it?

The first one of these appeared 2000 years ago. What is it?

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Since 2003 the cost of this has increased by 470%. What is it?

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In a survey 50% of homeowners say they don't know where this is located in their house. What is it?

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Jeopardy Style. Category: Summer. Answer: $2500. What's the question?

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56% of drivers say they have done this at least once. What is it?

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