No Market Share movement for Drupal Version 6.x yet sorry.
Get a list of 999 websites using Drupal Version 6.x which includes location information, hosting data, contact details, 381 currently live websites
which includes 89 domains that redirect to sites in the list. 707 sites that used this technology previously and 160 websites in the United States currently using Drupal Version 6.x.
Distribution of locations of all Drupal Version 6.x customers we've ever tracked.