Research Article
Design of Intelligent Environment Observation and Decision Support for Regional World Economy
Table 2
The expansion trend of the world's regional free trade areas.
| Year | Western Europe, Middle East, and Mediterranean | Central Europe, Eastern Europe, and Russia | America | Asia and Oceania | Africa |
| 2015 | 2 | 1 | 3 | 1 | 0 | 2016 | 2 | 4 | 2 | 2 | 1 | 2017 | 3 | 2 | 3 | 1 | 1 | 2018 | 1 | 2 | 1 | 0 | 1 | 2019 | 4 | 3 | 2 | 3 | 3 | Total | 12 | 12 | 11 | 7 | 6 |
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