Safety | 4 | |
Transportation | 3 | |
Communication | 2 | |
Buildings | 2 | |
Sanitation | 2 | |
Energy | 1 | |
Human Health | 1 | |
Sports / Recreation | 1 | |
Water Management | 1 |
3 | 1 |
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South Korea | 2 | |
United States | 2 |