| Year | Burundi | Kenya | Rwanda | South Sudan | Uganda |
| 2011 | - | 321,135 | 1,810,306 | - | 429 |
| 2012 | 812,589 | 21,624,426 | 594,120 | 812,589 | 14,935,806 |
| 2013 | 447,295 | 5,205,938 | 1,691,839 | 477,295 | 4,720 |
| 2014 | 1,568,447 | 94,541,204 | 221,064 | 1,568,447 | 1,527,683 |
| 2015 | 878,647 | 7,265,999 | 1,405 | 878,647 | 125,031 |
| 2016 | 1,266,683 | 7,254,642 | 653,315 | 1,037,864 | 14,655 |
| 2017 | 221,321 | 2,015,041 | 834,546 | 935,754 | - |
| 2018 | 1,335,894 | 189,351 | 97,633 | - | - |
| 2019 | 6,842,780 | 15,229,219 | 548,470 | 616,000 | 1,460,753 |
| 2020 | 4,100,502 | 10,507,007 | 432,865 | 1,945,602 | 1,430,692 |
| TOTAL | 17,474,158 | 164,153,962 | 6,885,563 | 8,272,198 | 19,499,769 |