Detailed Instructions: This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
Q: Greece attracts more than 16 million tourists each year, thus contributing 18.2% to the nation's GDP in 2008 according to an OECD report. The same survey showed that the average tourist expenditure while in Greece was $1,073, ranking Greece 10th in the world. The number of jobs directly or indirectly related to the tourism sector were 840,000 in 2008 and represented 19% of the country's total labor force. In 2009, Greece welcomed over 19.3 million tourists, a major increase from the 17.7 million tourists the country welcomed in 2008.
A:
How many millions of tourists does Greece attract each year?