the highest = the best
| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ガボン | 47.27 | 47.59 | 47.90 | 48.09 | 48.44 | 48.59 | 48.33 | 48.09 | 47.60 | 47.81 | 47.57 | 47.50 |
| 赤道ギニア | 45.42 | 45.70 | 45.72 | 45.98 | 45.74 | 45.42 | 45.16 | 45.40 | 46.04 | 46.30 | 46.35 | 46.29 |
| カメルーン | 41.31 | 42.60 | 42.94 | 43.32 | 43.80 | 42.80 | 41.94 | 41.29 | 42.09 | 41.80 | 41.63 | 41.83 |
| コンゴ | 39.56 | 40.74 | 41.97 | 42.15 | 41.69 | 41.09 | 41.53 | 40.05 | 39.92 | 40.30 | 41.13 | 41.05 |
| チャド | 30.03 | 31.27 | 32.79 | 33.28 | 33.84 | 34.77 | 34.71 | 33.62 | 32.71 | 33.20 | 33.30 | 33.46 |
| 中央アフリカ共和国 | 32.81 | 32.68 | 32.03 | 32.39 | 30.65 | 30.37 | 30.87 | 30.68 | 31.37 | 31.94 | 32.39 | 32.19 |