Year National currency (Billions) 1995 1.926 1996 2.619 1997 3.052 1998 3.490 1999 4.085 2000 4.886 2001 5.512 2002 6.442 2003 6.859 2004 7.431 2005 7.686 2006 8.202 2007 8.014 2008 8.263 2009 12.518 2010 13.916 2011 17.217 2012 19.418 2013 25.520 2014 30.220 2015 32.087 2016 31.756 2017 31.893 2018 32.246 2019 31.752 2020 37.424 2021 38.879 2022 41.244 2023 43.214 2024 45.142 2025 46.919 2026 48.700 2027 50.486 2028 52.187 2029 53.470