| Year | PToutP | Base 100 |
|---|---|---|
| 2009 | 100% | 100 |
| 2010 | 90.41% | 99.9 |
| 2011 | 85.87% | 99.8 |
| 2012 | 84.83% | 99.8 |
| 2013 | 85.85% | 99.7 |
| 2014 | 86.11% | 99.6 |
| 2015 | 85.75% | 99.5 |
| 2016 | 87.61% | 99.5 |
| 2017 | 86.56% | 99.4 |
| 2018 | 89.66% | 99.3 |
| 2019 | 89.97% | 99.2 |
| 2020 | 90.25% | 99.2 |
| 2021 | 90.45% | 99.1 |
| 2022 | 90.06% | 99 |
