Year National currency (Billions) 1990 1.217 1991 1.289 1992 1.287 1993 1.303 1994 1.427 1995 1.533 1996 1.569 1997 1.599 1998 2.016 1999 2.164 2000 2.346 2001 2.549 2002 2.777 2003 2.892 2004 2.983 2005 2.558 2006 2.785 2007 2.757 2008 2.811 2009 3.337 2010 2.783 2011 2.820 2012 2.835 2013 3.056 2014 3.420 2015 3.576 2016 3.341 2017 3.654 2018 3.783 2019 3.803 2020 3.829 2021 4.021 2022 4.134 2023 4.254 2024 4.386 2025 4.506 2026 4.616 2027 4.727 2028 4.843 2029 4.959