Year National currency (Billions) 1995 -0.115 1996 -1.702 1997 -3.369 1998 -1.919 1999 -2.095 2000 -2.116 2001 -2.214 2002 -2.134 2003 -0.445 2004 -0.820 2005 -1.160 2006 -2.222 2007 -2.952 2008 -3.121 2009 -4.351 2010 -4.672 2011 -2.777 2012 -2.480 2013 -1.162 2014 -2.028 2015 -2.577 2016 -2.437 2017 -1.268 2018 -1.453 2019 -1.569 2020 -2.091 2021 -1.615 2022 -1.538 2023 -5.446 2024 -6.910 2025 -7.799 2026 -8.207 2027 -8.762 2028 -9.102 2029 -9.417