| Year | PToutP | Base 100 |
|---|---|---|
| 2010 | 95.23% | 100 |
| 2011 | 87.78% | 99.8 |
| 2012 | 90.64% | 99.7 |
| 2013 | 94.15% | 99.5 |
| 2014 | 93.05% | 99.3 |
| 2015 | 86.39% | 99.1 |
| 2016 | 100% | 99 |
| 2017 | 94.69% | 98.8 |
| 2018 | 98.38% | 98.6 |
| 2019 | 93.15% | 98.4 |
| 2020 | 91.8% | 98.3 |
| 2021 | 90.5% | 98.1 |
| 2022 | 86.59% | 97.9 |
| 2023 | 89.49% | 97.7 |
