Year National currency (Billions) 1983 1.327 1984 1.494 1985 1.033 1986 3.192 1987 4.070 1988 2.947 1989 0.805 1990 -2.987 1991 -7.782 1992 -11.433 1993 -11.682 1994 -10.548 1995 -7.254 1996 -6.947 1997 -9.131 1998 -6.045 1999 -6.638 2000 -1.330 2001 -1.449 2002 -8.368 2003 -3.887 2004 -4.827 2005 -1.632 2006 4.086 2007 6.195 2008 7.422 2009 6.369 2010 2.593 2011 4.152 2012 2.217 2013 -2.341 2014 -1.614 2015 3.556 2016 1.548 2017 7.817 2018 7.496 2019 8.745 2020 -17.141 2021 -1.139 2022 8.128 2023 4.112 2024 5.040 2025 2.178 2026 2.015 2027 1.987 2028 1.924 2029 1.967