2024 22 USC 2427 – Operating expenses

2023 22 USC 2427 – Operating expenses

2022 22 USC 2427 – Operating expenses

2021 22 USC 2427 – Operating expenses

2020 22 USC 2427 – Operating expenses

2018 22 USC 2427 – Operating expenses

2017 22 USC 2427 – Operating expenses

2015 22 USC 2427 – Operating expenses

2014 22 USC 2427 – Operating expenses