Year National currency (Billions) 1996 11.305 1997 13.889 1998 15.807 1999 17.506 2000 18.284 2001 18.716 2002 19.662 2003 20.420 2004 21.698 2005 22.617 2006 23.904 2007 25.334 2008 26.751 2009 26.532 2010 26.736 2011 26.979 2012 26.788 2013 27.418 2014 27.733 2015 28.929 2016 29.867 2017 30.836 2018 32.017 2019 32.940 2020 31.947 2021 34.309 2022 35.759 2023 36.403 2024 37.313 2025 38.432 2026 39.585 2027 40.772 2028 41.996 2029 43.256