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The left shows respective oil reliance, giving us an indication of countries that are likely to benefit or suffer from oil price changes. Low oil prices should benefit importers more than exporters.
The right shows and compares import coverage ratios--the ability of FX reserves to cover their amount of imports. As we can generally see that this ratio has improved compared with their 10-year averages, most countries should be less vulnerable to speculative attacks or external shocks due to the ample availability of foreign exchange reserve.