The number of government requests to Google for citizens' personal data rose in the second half of 2015, according to the company's latest Transparency Report, released Monday. The number has been trending upward for the past few years as the number of people connected to the Internet has increased. The growth also coincides with government efforts worldwide to increase surveillance over their citizens and almost-daily reports of terrorist attacks. The FBI has been fighting to expand its powers of surveillance in the U.S.