| 2025 | ILB |
| 2024 | NIPGL |
| 2023 | NIPGL |
| 2022 | NIPGL |
| 2019 | NIPGL |
| 2018 | NIPGL & NIPBA (Shared) |
| 2017 | NIBA |
| 2016 | NIPGL |
| 2015 | NIPBA |
| 2014 | NIBA |
| 2013 | NIBA |
| 2012 | NIPGL |
| 2011 | NIPGL |
| 2010 | NIPGL |
| 2009 | NIPGL |
| 2008 | NIPGL |
| 2007 | NIPBA |
| 2006 | NIBA |
| 2005 | NIBA |
| 2004 | NIPBA |
| 2003 | NIPGL |
| 2002 | NIBA |
| 2001 | NIPGL |
| 2000 | NIPBA |
