2024 16 USC 410ii-6 – Research and data gathering

2023 16 USC 410ii-6 – Research and data gathering

2022 16 USC 410ii-6 – Research and data gathering

2021 16 USC 410ii-6 – Research and data gathering

2020 16 USC 410ii-6 – Research and data gathering

2018 16 USC 410ii-6 – Research and data gathering

2017 16 USC 410ii–6 – Research and data gathering

2015 16 USC 410ii–6 – Research and data gathering

2014 16 USC 410ii-6 – Research and data gathering

2013 16 USC 410ii-6 – Research and data gathering

2012 16 USC 410ii-6 – Research and data gathering

2010 16 USC 410ii-6 – Research and data gathering