Year National currency (Billions) 1988 5.979 1989 5.682 1990 5.884 1991 6.803 1992 6.730 1993 6.701 1994 7.571 1995 8.458 1996 9.701 1997 9.913 1998 10.400 1999 10.526 2000 12.067 2001 13.860 2002 13.961 2003 16.048 2004 19.068 2005 27.241 2006 37.085 2007 35.736 2008 47.285 2009 45.731 2010 43.675 2011 48.602 2012 51.475 2013 57.669 2014 61.920 2015 59.944 2016 50.264 2017 49.680 2018 48.834 2019 49.411 2020 51.048 2021 49.608 2022 53.261 2023 57.539 2024 55.335 2025 58.399 2026 58.503 2027 59.497 2028 60.640 2029 62.176