Year National currency (Billions) 2004 1052.469 2005 19001.143 2006 21248.710 2007 -41368.931 2008 -14947.708 2009 -105403.164 2010 -98493.990 2011 -75241.030 2012 -163960.837 2013 -239516.493 2014 -208959.305 2015 -320121.172 2016 -315155.057 2017 -297483.065 2018 -243619.837 2019 -326410.368 2020 -841455.786 2021 -662071.609 2022 -392194.775 2023 -341412.083 2024 -493350.888 2025 -651609.871 2026 -676193.113 2027 -711793.759 2028 -752315.736 2029 -793417.013