1. A method of assessing efficiency of agents in a contact center, comprising: monitoring, by a contact center management system implemented on one or more computer systems, activity of one or more agents who perform services at one or more contact centers; determining, by the contact center management system, based at least some of the activity, one or more measures of performance for at least one of the one or more agents, wherein at least one of the measures of performance for at least one of the agents comprises an occupancy, a utilization, an absentee rate, or a direct labor time per contact; and determining, by the contact center management system, based on at least one of the measures of performance, one or more statistical values for at least one of the agents.