Google updated their transparency report, showing an increase in government requests in January-June 2012. They report 1,791 requests to remove content (from 1,048 in the last half of 2011) and 20,938 requests to disclose user data (from 18,257 in the last half of 2011).
Announcement: http://googleblog.blogspot.ca/2012/11/transparency-report-government-request... The full report: http://www.google.com/transparencyreport/