| Year | First Half | Second Half |
|---|---|---|
| 2014 | June | December |
| 2015 | June | December |
| 2016 | June | December |
| 2017 | June | December |
| 2018 | June CBCS June CBGS | December CBCS December CBGS |
| 2019 | June CBCS June CBGS | December CBCS December CBGS |
| 2020 | Rev-2016 | Rev2012 Rev2016 Rev2019 |
| 2021 | June CBCGS( Rev 2016) June CBCGS (Rev2019) | |
| 2022 | CBCGS( Rev 2016) CBCGS (Rev 2019) DSE CBCGS (Rev 2019) | Rev-2019 |
