Year National currency (Billions) 1993 -0.001 1994 -0.001 1995 0.007 1996 0.019 1997 -0.002 1998 -0.041 1999 -0.054 2000 -0.138 2001 0.101 2002 -0.089 2003 0.062 2004 -0.025 2005 -0.105 2006 0.154 2007 0.530 2008 0.310 2009 0.364 2010 0.084 2011 0.499 2012 -0.187 2013 -0.380 2014 -0.716 2015 -1.074 2016 -1.414 2017 -1.232 2018 -0.735 2019 -5.505 2020 -3.217 2021 -0.329 2022 0.923 2023 1.805 2024 4.613 2025 6.859 2026 7.693 2027 8.509 2028 9.200 2029 9.953