Year National currency (Billions) 1983 2.162 1984 2.908 1985 3.657 1986 6.786 1987 6.892 1988 6.561 1989 6.491 1990 1.393 1991 -5.287 1992 -9.096 1993 -9.985 1994 -7.497 1995 -4.469 1996 -5.234 1997 -6.368 1998 -1.638 1999 -2.133 2000 5.991 2001 5.371 2002 -3.758 2003 -2.270 2004 -2.598 2005 1.179 2006 9.112 2007 12.552 2008 15.031 2009 5.975 2010 5.164 2011 6.856 2012 3.887 2013 -1.147 2014 -0.062 2015 5.196 2016 2.811 2017 8.728 2018 9.789 2019 9.998 2020 -20.518 2021 -1.130 2022 10.244 2023 5.128 2024 4.916 2025 2.642 2026 2.527 2027 2.501 2028 2.472 2029 2.444