the highest = the best
| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rwanda | 49.44 | 49.36 | 50.12 | 50.96 | 51.89 | 52.28 | 52.17 | 53.21 | 52.00 | 53.09 | 53.15 | 52.90 |
| Kenya | 45.88 | 46.64 | 48.11 | 48.57 | 48.83 | 49.33 | 49.71 | 49.92 | 50.94 | 51.03 | 51.32 | 51.09 |
| United Republic of Tanzania | 46.14 | 46.90 | 47.11 | 46.47 | 46.58 | 46.96 | 47.64 | 48.13 | 48.18 | 48.79 | 49.07 | 49.54 |
| Uganda | 43.67 | 44.04 | 45.42 | 45.35 | 45.35 | 45.27 | 46.10 | 46.30 | 45.81 | 45.93 | 46.46 | 46.78 |
| Burundi | 36.12 | 36.77 | 37.01 | 37.16 | 37.92 | 37.32 | 36.89 | 36.36 | 36.51 | 37.37 | 38.08 | 38.47 |
| South Sudan | 33.79 | 33.95 | 33.44 | 32.21 | 31.24 | 30.14 | 30.02 | 28.46 | 28.92 | 28.47 | 28.51 | 28.70 |