FISA Orders: 1979-2020
FISA Court Orders and National Security Letters Issued
FISA Court Orders, By Year![FISAOrders.png](/privacy/surveillance/fisa/graphs/FISA2021.png)
FISA Court Business Records Orders, By Year
![215 Orders](/privacy/surveillance/fisa/graphs/BR2021.png)
FISA Court Pen Register Orders, Semiannually
![Pen Register orders](/privacy/surveillance/fisa/graphs/PRTTOrders2021.png)
![Pen Register orders](/privacy/surveillance/fisa/graphs/PRTTUSP2021.png)
National Security Letters Issued, By Year
![National Security Letters](/privacy/surveillance/fisa/graphs/NSL2021.png)
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