system
Context: Greece is a developed country with an economy based on the service (82.8%) and industrial sectors (13.3%). The agricultural sector contributed 3.9% of national economic output in 2015. Important Greek industries include tourism and shipping. With 18 million international tourists in 2013, Greece was the 7th most visited country in the European Union and 16th in the world. The Greek Merchant Navy is the largest in the world, with Greek-owned vessels accounting for 15% of global deadweight tonnage as of 2013. The increased demand for international maritime transportation between Greece and Asia has resulted in unprecedented investment in the shipping industry. 

The country is a significant agricultural producer within the EU. Greece has the largest economy in the Balkans and is as an important regional investor. Greece was the largest foreign investor in Albania in 2013, the third in Bulgaria, in the top-three in Romania and Serbia and the most important trading partner and largest foreign investor in the former Yugoslav Republic of Macedonia. The Greek telecommunications company OTE has become a strong investor in former Yugoslavia and in other Balkan countries.
human
Is Greece a developing country?
gpt
no
human
what is their economy based on?
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service and industrial sectors
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how much of it is service?
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82.8%
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how much is industrial?
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13.3%
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is tourism important there?
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yes
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how many people visited in 2013?
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18 million
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how does that compare to the rest of the EU?
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7th most visited
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what about the world?
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16th in the world
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Do they produce much agriculture?
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no
human
Who is a significant producer of agriculture in the EU?
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Greece
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How do they rank on investing in Albania?
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1st
human
what about Bulgaria?
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third
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Where do they rank in the top 3?
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Romania and Serbia
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what is their investment connection with Yugoslavia?
gpt
telecommunications company OTE
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what has lead to significant investing in the shipping business?
gpt
increased demand for international maritime transportation
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between who?
gpt
Greece and Asia