Year National currency (Billions) 2000 0.204 2001 0.239 2002 0.402 2003 0.543 2004 0.749 2005 0.698 2006 0.635 2007 0.661 2008 0.942 2009 1.093 2010 1.205 2011 1.352 2012 1.450 2013 1.486 2014 1.476 2015 1.577 2016 1.719 2017 1.791 2018 1.966 2019 2.111 2020 2.265 2021 2.311 2022 2.564 2023 2.880 2024 3.113 2025 3.320 2026 3.532 2027 3.724 2028 3.934 2029 4.149