Year National currency (Billions) 2001 0.473 2002 0.485 2003 0.544 2004 0.596 2005 0.592 2006 0.654 2007 0.715 2008 0.733 2009 0.698 2010 0.742 2011 0.769 2012 0.801 2013 0.849 2014 0.833 2015 0.880 2016 1.011 2017 1.014 2018 1.052 2019 1.075 2020 1.045 2021 1.065 2022 1.275 2023 1.335 2024 1.390 2025 1.482 2026 1.531 2027 1.582 2028 1.636 2029 1.691