Year National currency (Billions) 1995 -0.069 1996 -0.177 1997 -0.233 1998 -0.078 1999 -0.125 2000 0.051 2001 0.069 2002 0.132 2003 0.120 2004 0.504 2005 0.376 2006 0.569 2007 0.239 2008 -0.256 2009 -1.006 2010 -0.786 2011 0.077 2012 0.056 2013 -0.126 2014 -0.316 2015 -0.072 2016 -0.142 2017 0.295 2018 0.156 2019 -0.297 2020 -3.790 2021 -2.827 2022 -1.104 2023 -0.683 2024 -0.663 2025 -0.313 2026 -0.371 2027 -0.503 2028 -0.597 2029 -0.782