Year National currency (Billions) 1997 3.317 1998 0.364 1999 3.228 2000 10.066 2001 -10.487 2002 -9.975 2003 2.546 2004 3.465 2005 3.269 2006 1.437 2007 5.068 2008 -1.228 2009 -8.450 2010 -7.368 2011 -8.012 2012 -13.551 2013 -14.647 2014 -17.044 2015 -12.967 2016 -9.260 2017 -8.487 2018 -3.901 2019 -5.519 2020 -45.835 2021 -29.697 2022 -26.326 2023 -28.503 2024 -14.729 2025 -10.306 2026 -7.744 2027 -6.058 2028 -0.843 2029 -0.895