2024 42 USC 4370m-10 – GAO report

2023 42 USC 4370m-10 – GAO report

2022 42 USC 4370m-10 – GAO report

2021 42 USC 4370m-10 – GAO report

2020 42 USC 4370m-10 – GAO report

2018 42 USC 4370m-10 – GAO report

2017 42 USC 4370m–10 – GAO report

2015 42 USC 4370m–10 – GAO report