Yemen, Republic of vs Congo, Democratic Republic of
| Year | Yemen, Republic of | Congo, Democratic Republic of |
|---|---|---|
| 2023 | 4.59 | 6.05 |
| 2022 | 4.59 | 6.11 |
| 2021 | 4.60 | 6.16 |
| 2020 | 4.60 | 6.21 |
| 2019 | 4.60 | 6.25 |
| 2018 | 4.61 | 6.30 |
| 2017 | 4.61 | 6.35 |
| 2016 | 4.61 | 6.39 |
| 2015 | 4.62 | 6.44 |
| 2014 | 4.62 | 6.48 |