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 4,931,848 websites that are jQuery 1.7.2 Customers. We know of 1,054,175 live websites using jQuery 1.7.2 and an additional 3,877,673 sites that used jQuery 1.7.2 historically and 560,627 websites in the United States.
Get a list of 4,931,848 websites using jQuery 1.7.2 which includes location information, hosting data, contact details, 1,054,175 currently live websites and an additional 597,887 domains that redirect to sites in this list. 3,877,673 sites that used this technology previously and 560,627 websites in the United States currently using jQuery 1.7.2.