| CASR Ports/Years | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
| Bata | 0.08 | 0 | 0.025 | −0.0125 | 0.0062 | 0.10 | 0 | −0.08 | 0.27 | −0.20 |
| Douala | 14.7 | −13.54 | 4.5 | 1.0 | −1.0 | −0.04 | 4.0 | 7.2 | −6.2 | 1.3 |
| Kribi | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.2 | 0.5 | −19.2 |
| Libreville-Ow. | 5.65 | 0.65 | 8.78 | 7.52 | 0.03 | 0.06 | 0.1 | −0.2 | −36.2 | 0 |
| Luanda | −1.35 | 2.24 | 9.61 | 7.6 | 16.8 | 14.74 | −32.2 | −21.94 | 17.5 | −1.83 |
| Matadi | 0.32 | 0.4 | 0.3 | −1.53 | 0.23 | 2.82 | −2.82 | 0 | 0.1 | −0.6 |
| Pointe noire | 2.9 | 0.5 | −1.9 | 17.4 | 7.5 | 3.48 | −4.9 | −0.8 | 3.7 | −1.93 |