Year National currency (Billions) 1994 0.349 1995 0.350 1996 0.244 1997 0.344 1998 0.417 1999 0.407 2000 0.404 2001 0.352 2002 -0.087 2003 0.061 2004 0.040 2005 0.044 2006 0.009 2007 -0.115 2008 -0.047 2009 -0.229 2010 -0.269 2011 0.143 2012 -0.172 2013 -0.350 2014 -0.051 2015 -0.191 2016 0.218 2017 0.334 2018 0.354 2019 0.634 2020 -0.087 2021 -0.092 2022 0.304 2023 0.448 2024 0.562 2025 0.656 2026 0.690 2027 0.726 2028 0.765 2029 0.804