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- Ethiopia 2018
- Gambia 2018
- Nepal 2018
- Ethiopia 2017
- Madagascar 2017
- Gambia 2017
- Nepal 2017
- Ethiopia 2016
- Nepal 2015
- Ethiopia 2015
- Nepal 2014
- Indonesia 2014
- Bolivia 2014
- Ethiopia 2013/2014
- Brazil 2013
- Ethiopia 2013
- Ethiopia 2012
- Ethiopia 2011
- Ecuador 2011
- Thailand 2010
- Uganda 2010
- Ecuador 2009
- Australia 2009
- Panama 2009
- Peru 2008
- Philippines 2008
- Patagonia 2007
- Madagascar 2007
- Bolivia 2006