Year National currency (Billions) 2000 2.400 2001 2.802 2002 2.890 2003 2.998 2004 2.984 2005 3.075 2006 3.201 2007 3.552 2008 3.538 2009 3.610 2010 4.031 2011 4.556 2012 4.797 2013 5.071 2014 5.325 2015 5.674 2016 6.037 2017 6.357 2018 6.672 2019 7.056 2020 6.772 2021 7.958 2022 8.877 2023 9.695 2024 10.452 2025 11.232 2026 12.000 2027 12.755 2028 13.513 2029 14.302