Year National currency (Billions) 1995 0.408 1996 0.372 1997 0.433 1998 0.516 1999 0.641 2000 1.276 2001 1.343 2002 0.508 2003 0.073 2004 -0.393 2005 -0.064 2006 0.651 2007 1.639 2008 1.347 2009 -0.083 2010 -0.109 2011 0.288 2012 0.234 2013 0.413 2014 0.690 2015 0.706 2016 1.062 2017 0.795 2018 1.790 2019 1.387 2020 -2.222 2021 0.416 2022 -0.222 2023 -1.105 2024 -1.690 2025 -1.268 2026 -1.199 2027 -1.293 2028 -1.446 2029 -1.595