Year | Mean Score | Standard Deviation | Candidature |
2018 | 51.38 | 23.26 | 589,900 |
2019 | 51.38 | 23.26 | 618,654 |
2020 | 53.03 | 29.50 | 651,236 |
2021 | 57.01 | 32.98 | 710,533 |
2022 | 57.37 | 32.39 | 752,154 |