Since its creation in 1979, the FISA Court has approved 33,942 warrants while declining 12. During the eight years Barack Obama was President, his administration filed 12,214 FISA warrants.

https://epic.org/privacy/surveillance/fisa/stats/#footnote26

Of those declined, nine were in 2016, the year of the last Presidential Election. These numbers are from the Court's website.

FISA stands for the Foreign Intelligence Surveillance Act. 

http://www.uscourts.gov/statistics-reports/analysis-reports/directors-report-foreign-intelligence-surveillance-courts

http://www.uscourts.gov/sites/default/files/ao_foreign_int_surveillance_court_annual_report_2016_final_0.pdf

Pictured above is the country's second largest rubber stamp. It sits on the lawn of Cleveland's City Hall (Ohio). 

http://www.uscourts.gov/sites/default/files/transmittal_letter_for_the_2016_fisc_annual_report_4.20.2017_0.pdf