What is common about these countries?

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1.
austria
2.
bahrain
3.
belarus
4.
belgium
5.
bolivia
6.
burundi
7.
croatia
8.
estonia
9.
finland
10.
georgia
11.
hungary
12.
jamaica
13.
lebanon
14.
moldova
15.
namibia
16.
nigeria
17.
romania
18.
senegal
19.
somalia
20.
uruguay