This table is sortable by clicking on the header
| Year | Reg Date | Alternate Date |
|---|---|---|
| 2025 | May 6 - Tue - AM | May 21 - Wed - PM |
| 2024 | May 6 - Mon - PM | May 22 - Wed - AM |
| 2023 | May 1 - Mon - PM | May 17 - Wed - AM |
| 2022 | May 2 - Mon - PM | May 18 - Wed - AM |
| 2021 | May 7 - Fri - AM | May 25 - Tue - AM |
| 2020 | May 14 - Thu - PM | Jun 2 - Tue - PM |
| 2019 | May 9 - Thu - AM | May 22 - Wed - PM |
| 2018 | May 7 - Mon - AM | May 23 - Wed - PM |
| 2017 | May 1 - Mon - AM | May 18 - Thu - PM |
| 2016 | May 2 - Mon - AM | May 19 - Thu - PM |
| 2015 | May 4 - Mon - AM | May 21 - Thu - PM |
| 2014 | May 5 - Mon - AM | May 22 - Thu - PM |
| 2013 | May 6 - Mon - AM | May 23 - Thu - PM |
| 2012 | May 7 - Mon - AM | May 24 - Thu - PM |
| 2011 | May 2 - Mon - AM | May 19 - Thu - PM |