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Energy security score change (1991–2018).
| 1991 | 2018 | Changes | |
|---|---|---|---|
| AZE | −2.523245 | 1.647810 | 4.171055 |
| IRN | 3.024845 | 5.434509 | 2.409663 |
| KAZ | 1.389772 | 2.210169 | 0.820397 |
| RUS | 3.292126 | 3.150982 | −0.141144 |
| TKM | −2.895584 | −3.359279 | −0.463695 |
| UZB | −2.287914 | −4.424238 | −2.136324 |
