2018 ■ 2019 ■ 2020 MXR NCR NER SCR SER WXR Region Figure 14 Average Overtime Hours per Staff by Region 300 250 200 3 150 100 50 Mal MXR NCR NER SCR SER WXR Region ■ 2017 ■ 2018 ■ 2019 ■ 2020 One of the advantages of BOP using augmentation and overtime to address staffing shortages is