Year National currency (Billions) 2000 0.128 2001 0.321 2002 0.500 2003 0.590 2004 0.611 2005 0.628 2006 0.720 2007 0.898 2008 0.943 2009 1.151 2010 1.164 2011 1.305 2012 1.322 2013 1.313 2014 1.335 2015 1.457 2016 1.616 2017 1.700 2018 1.775 2019 1.905 2020 1.736 2021 2.212 2022 2.499 2023 2.860 2024 3.001 2025 3.189 2026 3.393 2027 3.578 2028 3.775 2029 3.992