| Years | Experimental Kt_Males | Traditional Kt_Males |
| 2001 | −13.0598 | −14.5414 |
| 2002 | −15.4492 | −14.9663 |
| 2003 | −17.8387 | −15.3911 |
| 2004 | −20.2281 | −15.8160 |
| 2005 | −22.6176 | −16.2409 |
| 2006 | −25.0070 | −16.6658 |
| 2007 | −27.3965 | −17.0907 |
| 2008 | −29.7860 | −17.5156 |
| 2009 | −32.1754 | −17.9404 |
| 2010 | −34.5649 | −18.3653 |
| 2011 | −36.9543 | −18.7902 |
| 2012 | −39.3438 | −19.2151 |
| 2013 | −41.7332 | −19.6400 |
| 2014 | −44.1227 | −20.0648 |
| 2015 | −46.5121 | −20.4897 |
| 2016 | −48.9016 | −20.9146 |
| 2017 | −51.2911 | −21.3395 |
| 2018 | −53.6805 | −21.7644 |
| 2019 | −56.0700 | −22.1893 |
| 2020 | −58.4594 | −22.6141 |
| 2021 | −60.8489 | −23.0390 |
| 2022 | −63.2383 | −23.4639 |
| 2023 | −65.6278 | −23.8888 |
| 2024 | −68.0172 | −24.3137 |
| 2025 | −70.4067 | −24.7386 |