No Market Share movement for WordPress 3.6 yet sorry.
Get a list of 770,909 websites using WordPress 3.6 which includes location information, hosting data, contact details, 57,296 currently live websites
and an additional 11,514 domains that redirect to sites in this list. 713,613 sites that used this technology previously and 24,060 websites in the United States currently using WordPress 3.6.
Distribution of locations of all WordPress 3.6 customers we've ever tracked.