jQuery version 1.7.2
http://blog.jquery.com/2012/03/21/jquery-1-7-2-released/
JavaScript Libraries and Functions
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Get a list of 5,484,848 websites using jQuery 1.7.2 which includes location information, hosting data, contact details, 1,434,263 currently live websites and an additional 586,561 domains that redirect to sites in this list. 4,050,585 sites that used this technology previously and 744,683 websites in the United States currently using jQuery 1.7.2.