Grille d'Ancienneté
| Années | Echelons | Majoration | Cumul |
| 0 | 1 | 0% | |
| 1ère | 2 | 1 % | 1% |
| 2ème | 2 | 1% | |
| 3ème | 2 | 1% | |
| 4ème | 3 | 1% | 2% |
| 5ème | 3 | 2% | |
| 6ème | 3 | 2% | |
| 7ème | 4 | 1% | 3% |
| 8ème | 4 | 3% | |
| 9ème | 4 | 3% | |
| 10ème | 5 | 1% | 4% |
| 11ème | 5 | 4% | |
| 12ème | 5 | 4% | |
| 13ème | 6 | 1% | 5% |
| 14ème | 6 | 5% | |
| 15ème | 6 | 5% | |
| 16ème | 7 | 1% | 6% |
| 17ème | 7 | 6% | |
| 18ème | 7 | 6% | |
| 19ème | 8 | 1% | 7% |
| 20ème | 8 | 7% | |
| 21ère | 8 | 7% | |
| 22ème | 9 | 1% | 8% |
| 23ème | 9 | 8% | |
| 24ème | 9 |
8% |
|
| 25ème | 10 | 1% | 9% |
| 26ème | 10 | 9% | |
| 27ème | 10 | 9% | |
| 28ème | 11 | 1% | 10% |
| 29ème | 11 | 10% | |
| 30ème | 11 | 10% | |
| 31ème | 12 | 1% | 11% |
| 32ème | 12 | 11% | |
| 33ème | 12 | 11% | |
| 34ème | 13 | 1% | 12% |
| 35ème | 13 | 12% | |
| 36ème | 13 | 12% | |
| 37ème | 13 | 12% | |
| 38ème | 13 | 12% | |
| 39ème | 13 | 12% | |
| 40ème | 13 | 12% | |
| 41ème | 13 | 12% | |
| 42ème | 13 | 12% | |
| 43ème | 13 | 12% |