Year Persons (Millions) 2000 0.019 2001 0.019 2002 0.019 2003 0.020 2004 0.020 2005 0.020 2006 0.020 2007 0.019 2008 0.019 2009 0.019 2010 0.018 2011 0.018 2012 0.018 2013 0.017 2014 0.017 2015 0.018 2016 0.018 2017 0.018 2018 0.018 2019 0.018 2020 0.018 2021 0.018 2022 0.018 2023 0.018 2024 0.018 2025 0.018 2026 0.018 2027 0.018 2028 0.018 2029 0.018