| 2005 | 2010 | 2011 | |
|---|---|---|---|
| Southern Nations, Nationalities, and People's Region | 51,67 | 78,19 | 98,39 |
| Oromiya | 35,87 | 380,14 | 85,04 |
| Amhara | 16,95 | 96,13 | 45,99 |
| Tigray | 2,02 | 2,00 | 1,77 |
| Gambella | 0,06 | 0,13 | |
| Dire Dawa City Administration | 0,02 | 0,09 | |
| Harari | 0,04 | 0,07 | 0,09 |
| Benishangul Gumz | 0,07 | 0,17 | 0,00 |
| Addis Ababa | 0,24 |