Year National currency (Billions) 2000 0.131 2001 0.113 2002 0.125 2003 0.070 2004 0.109 2005 0.121 2006 0.123 2007 0.232 2008 0.362 2009 0.419 2010 0.496 2011 0.704 2012 0.822 2013 0.835 2014 1.034 2015 1.148 2016 1.164 2017 1.165 2018 1.066 2019 0.995 2020 1.072 2021 1.045 2022 1.070 2023 1.111 2024 1.210 2025 1.314 2026 1.407 2027 1.487 2028 1.591 2029 1.625