Year National currency (Billions) 2000 1093.742 2001 1171.400 2002 1194.094 2003 1219.119 2004 1331.171 2005 1278.296 2006 1365.967 2007 1541.825 2008 1966.865 2009 1931.276 2010 2066.942 2011 2576.093 2012 2640.734 2013 3199.758 2014 3604.393 2015 3821.727 2016 4044.661 2017 4030.238 2018 3986.067 2019 4338.446 2020 3894.111 2021 4261.810 2022 4724.852 2023 4937.333 2024 5227.249 2025 5537.637 2026 6113.455 2027 6623.678 2028 7058.629 2029 7615.678