Year National currency (Billions) 1990 -1.145 1991 -8.532 1992 -16.531 1993 -18.328 1994 -15.450 1995 -10.277 1996 -4.433 1997 0.700 1998 1.108 1999 5.961 2000 9.005 2001 0.964 2002 2.335 2003 8.528 2004 10.744 2005 15.405 2006 16.987 2007 13.043 2008 -16.392 2009 -56.404 2010 -67.048 2011 -64.317 2012 -52.009 2013 -42.329 2014 -44.225 2015 -42.371 2016 -37.719 2017 -26.347 2018 -18.505 2019 -82.533 2020 -160.664 2021 -131.819 2022 -56.616 2023 -29.675 2024 -40.456 2025 -42.406 2026 -34.482 2027 -26.086 2028 -16.969 2029 -9.940