The Secretary shall assess caseload and staffing needs for tribal justice systems that take into account unique geographic and demographic conditions. In the assessment of these needs, the Secretary shall work cooperatively with Indian tribes and tribal organizations and shall refer to any data developed as a result of the surveys conducted pursuant to
section 3612 of this title and to relevant assessment standards developed by the Judicial Conference of the United States, the National Center for State Courts, the American Bar Association, and appropriate State bar associations.