| Year | PToutP | Base 100 |
|---|---|---|
| 2010 | 89.57% | 100 |
| 2011 | 92.69% | 100.5 |
| 2012 | 90.84% | 101 |
| 2013 | 94.67% | 101.4 |
| 2014 | 97.55% | 101.9 |
| 2015 | 99.54% | 102.4 |
| 2016 | 93.72% | 102.9 |
| 2017 | 97.03% | 103.3 |
| 2018 | 100% | 103.8 |
| 2019 | 97.32% | 104.3 |
| 2020 | 94.75% | 104.8 |
| 2021 | 93.87% | 105.3 |
| 2022 | 99.56% | 105.7 |
| 2023 | 96.87% | 106.2 |
