2024 42 USC 254m – Obligated service under contract

2023 42 USC 254m – Obligated service under contract

2022 42 USC 254m – Obligated service under contract

2021 42 USC 254m – Obligated service under contract

2020 42 USC 254m – Obligated service under contract

2018 42 USC 254m – Obligated service under contract

2017 42 USC 254m – Obligated service under contract

2015 42 USC 254m – Obligated service under contract

2014 42 USC 254m – Obligated service under contract