Year National currency (Billions) 1981 7.039 1982 6.214 1983 6.083 1984 6.424 1985 6.450 1986 5.203 1987 6.233 1988 5.773 1989 7.143 1990 5.328 1991 3.131 1992 5.827 1993 7.231 1994 7.380 1995 8.114 1996 9.429 1997 9.207 1998 7.907 1999 9.170 2000 11.570 2001 10.700 2002 11.590 2003 14.267 2004 17.517 2005 23.593 2006 29.470 2007 32.581 2008 39.620 2009 30.496 2010 33.079 2011 42.512 2012 48.722 2013 49.392 2014 46.285 2015 34.473 2016 33.056 2017 36.611 2018 41.731 2019 42.110 2020 32.924 2021 42.766 2022 55.985 2023 49.694 2024 49.469 2025 50.388 2026 51.344 2027 52.781 2028 54.522 2029 56.571