Follow this link for the current ARWT map.
This page links to previous versions for historical interest.
Old drafts:
16 April 2015
7 April 2015
27 March 2015
1 March 2015
15 January 2015
8 December 2014
2 December 2014
13 November 2014
7 November 2014
And see the still older maps.