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 5,830,537 websites that are jQuery 1.7.2 Customers. We know of 1,386,641 live websites using jQuery 1.7.2 and an additional 4,443,896 sites that used jQuery 1.7.2 historically and 696,215 websites in the United States.
Get a list of 5,830,537 websites using jQuery 1.7.2 which includes location information, hosting data, contact details, 1,386,641 currently live websites and an additional 526,602 domains that redirect to sites in this list. 4,443,896 sites that used this technology previously and 696,215 websites in the United States currently using jQuery 1.7.2.