(b) On a semiannual basis, the Attorney General shall also provide to the committees referred to in subsection (a) of this section and to the Committees on the Judiciary of the House of Representatives and the Senate a report setting forth with respect to the preceding 6-month period
(1) the total number of applications made for orders approving the use of pen registers or trap and trace devices under this subchapter;
(2) the total number of such orders either granted, modified, or denied; and
(3) the total number of pen registers and trap and trace devices whose installation and use was authorized by the Attorney General on an emergency basis under section
1843 of this title, and the total number of subsequent orders approving or denying the installation and use of such pen registers and trap and trace devices.
