2020 – USA/AUSTRALIA

2019 – USA/AUSTRALIA

2018 – USA/AUSTRALIA

2017 – USA/AUSTRALIA

2016 – USA/AUSTRALIA

2015 – USA/AUSTRALIA

2014 – USA/AUSTRALIA

2013 – USA/AUSTRALIA

2012 – USA/AUSTRALIA

2011 – USA/AUSTRALIA

2010 – USA/AUSTRALIA

2009 – USA/AUSTRALIA

2008 – USA/AUSTRALIA