2023–2024 - France (men's), Australia (women's)
2022–2023 - New Zealand (men's), New Zealand (women's)
2021–2022 - Australia (men's), Australia (women's)
2020-2021 - series cancelled due to covid
2019–2020 - New Zealand (men's), New Zealand (women's)
2018–2019 - Fiji (men's), New Zealand (women's)
2017–2018 - South Africa (men's), Australia (women's)
2016–2017 - South Africa (men's), New Zealand (women's)
2015–2016 - Fiji (men's), Australia (women's)
2014–2015 - Fiji (men's), New Zealand (women's)
2013–2014 - New Zealand (men's), New Zealand (women's)
2012–2013 - New Zealand (men's), New Zealand (women's)
2011–2012 - New Zealand (men's)
2010–2011 - New Zealand (men's)
2009–2010 - Samoa (men's)
2008–2009 - South Africa (men's)
2007–2008 - New Zealand (men's)
2006–2007 - New Zealand (men's)
2005–2006 - Fiji (men's)
2004–2005 - New Zealand (men's)
2003–2004 - New Zealand (men's)
2002–2003 - New Zealand (men's)
2001–2002 - New Zealand (men's)
2000–2001 - New Zealand (men's)
1999–2000 - New Zealand (men's)