jQuery version 1.7.2
http://blog.jquery.com/2012/03/21/jquery-1-7-2-released/
JavaScript Libraries and Functions
Get access to data on 5,724,226 websites that are jQuery 1.7.2 Customers. We know of 1,441,338 live websites using jQuery 1.7.2 and an additional 4,282,888 sites that used jQuery 1.7.2 historically and 702,472 websites in the United States.
Get a list of 5,724,226 websites using jQuery 1.7.2 which includes location information, hosting data, contact details, 1,441,338 currently live websites and an additional 539,199 domains that redirect to sites in this list. 4,282,888 sites that used this technology previously and 702,472 websites in the United States currently using jQuery 1.7.2.