Year National currency (Billions) 2000 1.739 2001 1.758 2002 1.792 2003 1.836 2004 1.917 2005 1.998 2006 2.170 2007 2.317 2008 2.484 2009 2.340 2010 2.403 2011 2.480 2012 2.412 2013 2.498 2014 2.543 2015 2.629 2016 2.706 2017 2.834 2018 2.978 2019 3.099 2020 2.625 2021 2.967 2022 3.157 2023 3.346 2024 3.472 2025 3.576 2026 3.683 2027 3.794 2028 3.907 2029 4.025