2024 27 CFR 27.77 – Standard effective tax rate

2023 27 CFR 27.77 – Standard effective tax rate

2022 27 CFR 27.77 – Standard effective tax rate

2021 27 CFR 27.77 – Standard effective tax rate

2020 27 CFR 27.77 – Standard effective tax rate

2019 27 CFR 27.77 – Standard effective tax rate

2016 27 CFR 27.77 – Standard effective tax rate

2015 27 CFR 27.77 – Standard effective tax rate

2014 27 CFR 27.77 – Standard effective tax rate

2010 27 CFR 27.77 – Standard effective tax rate

2009 27 CFR 27.77 – Standard effective tax rate