| Africa | Antarctica | Asia | Europe | North America | Oceania | South America | |
|---|---|---|---|---|---|---|---|
|
Lynne LowBronze Member
|
2009 | 2008 | 2007 | 2010 | 2010 | 2008 | 2009 |
|
Michael McKeenSilver Member
|
2016 | 2016 | 2016 | 2017 | 2016 | 2016 | 2014 |