Year National currency (Billions) 1995 4.748 1996 5.351 1997 5.959 1998 6.738 1999 7.588 2000 8.274 2001 9.360 2002 10.570 2003 11.413 2004 12.346 2005 13.121 2006 13.944 2007 15.208 2008 16.558 2009 15.788 2010 16.210 2011 16.390 2012 16.444 2013 16.656 2014 17.062 2015 17.819 2016 17.894 2017 18.932 2018 20.283 2019 21.421 2020 20.562 2021 23.448 2022 25.139 2023 27.743 2024 29.540 2025 30.448 2026 31.875 2027 33.397 2028 35.050 2029 36.793