has been developing
Despite its short existence and the difficult economic environment in which it has been developing, evidence was presented that the initial impact of the customs union had been successful given that trade, investment and GDP had noticeably increased since the customs union was implemented.
Несмотря на юный возраст и сложные экономические условия, в которых сформировался Таможенный союз, он уже сыграл заметную роль в увеличении объемов торговли, инвестиций и ВВП его участников.
 
has been developing

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