jQuery version 1.9.1
http://blog.jquery.com/2013/02/04/jquery-1-9-1-released/
JavaScript Libraries and Functions
Get access to data on 4,925,327 websites that are jQuery 1.9.1 Customers. We know of 1,380,339 live websites using jQuery 1.9.1 and an additional 3,544,988 sites that used jQuery 1.9.1 historically and 722,350 websites in the United States.
Get a list of 4,925,327 websites using jQuery 1.9.1 which includes location information, hosting data, contact details, 1,380,339 currently live websites and an additional 786,289 domains that redirect to sites in this list. 3,544,988 sites that used this technology previously and 722,350 websites in the United States currently using jQuery 1.9.1.