Year National currency (Billions) 2000 6.248 2001 7.013 2002 7.166 2003 6.472 2004 7.137 2005 6.940 2006 7.065 2007 9.697 2008 17.213 2009 11.742 2010 8.912 2011 9.763 2012 9.810 2013 9.028 2014 9.478 2015 9.008 2016 9.678 2017 9.944 2018 9.797 2019 10.168 2020 17.029 2021 15.350 2022 15.308 2023 15.392 2024 16.425 2025 17.139 2026 17.461 2027 17.282 2028 16.944 2029 16.425