No Market Share movement for Drupal Version 7.x yet sorry.
Get a list of 2,920 websites using Drupal Version 7.x which includes location information, hosting data, contact details, 1,184 currently live websites
which includes 383 domains that redirect to sites in the list. 2,119 sites that used this technology previously and 384 websites in the United States currently using Drupal Version 7.x.
Distribution of locations of all Drupal Version 7.x customers we've ever tracked.