As you will have noted the ccTLD members on the CWG Stewardship have conducted a consultation on the question by the CWG Stewardship in their Discussion Document published before the Singapore ICANN meeting (https://community.icann.org/pages/viewpage.action?pageId=49351404)
. On behalf the ccTLD members on the CWG Stewardship, results have been made available, see http://ianaso.org/CWG/summary.html