2016
2017
2018
2019
2020
2022
2023
2024
| Year | PECE | JSC | SSC | Rate of Passing |
| 2012 | 14 | – | – | 100% |
| 2013 | 16 | – | – | 100% |
| 2014 | 24 | – | – | 100% |
| 2015 | 21 | 13 | – | 100% |
| 2016 | 23 | 10 | 2 | 100% |
| 2017 | 21=90% | 23=100% | 5 | 100% |
| 2018 | 18=100% | 16=100% | 17 | 85% |
| 2019 | 10 | 12 | 12 | 100% |
| 2020 | – | – | 22 | 100% |
| 2021 | – | – | 15 | 100% |
| 2022 | – | – | 9 | 100% |
| 2023 | – | – | 14 | 93% |