No Market Share movement for WP Cache yet sorry.
Get a list of 17,055 websites using WP Cache which includes location information, hosting data, contact details, 1,638 currently live websites
and an additional 2,484 domains that redirect to sites in this list. 15,417 sites that used this technology previously and 1,274 websites in the United States currently using WP Cache.
Distribution of locations of all WP Cache customers we've ever tracked.