2024 39 USC 3626 – Reduced rates

2023 39 USC 3626 – Reduced rates

2022 39 USC 3626 – Reduced rates

2021 39 USC 3626 – Reduced rates

2020 39 USC 3626 – Reduced rates

2018 39 USC 3626 – Reduced rates

2017 39 USC 3626 – Reduced rates

2015 39 USC 3626 – Reduced rates

2014 39 USC 3626 – Reduced rates

2013 39 USC 3626 – Reduced rates

2012 39 USC 3626 – Reduced rates

2010 39 USC 3626 – Reduced rates