Year National currency (Billions) 2000 6.044 2001 5.973 2002 6.126 2003 6.375 2004 6.384 2005 6.600 2006 6.766 2007 7.089 2008 7.360 2009 7.277 2010 7.680 2011 7.716 2012 8.034 2013 8.474 2014 9.120 2015 9.997 2016 10.335 2017 11.458 2018 12.308 2019 13.185 2020 12.109 2021 13.625 2022 14.725 2023 15.551 2024 16.335 2025 16.990 2026 17.602 2027 18.218 2028 18.862 2029 19.524