2024 27 CFR 46.4 – Ultimate burden

2023 27 CFR 46.4 – Ultimate burden

2022 27 CFR 46.4 – Ultimate burden

2021 27 CFR 46.4 – Ultimate burden

2020 27 CFR 46.4 – Ultimate burden

2019 27 CFR 46.4 – Ultimate burden

2016 27 CFR 46.4 – Ultimate burden

2015 27 CFR 46.4 – Ultimate burden

2014 27 CFR 46.4 – Ultimate burden

2010 27 CFR 46.4 – Ultimate burden

2009 27 CFR 46.4 – Ultimate burden