Year National currency (Billions) 1996 1396.995 1997 1621.474 1998 2022.308 1999 2514.607 2000 2698.235 2001 2775.164 2002 3120.619 2003 3479.974 2004 3598.168 2005 3683.904 2006 3978.393 2007 4280.094 2008 5249.288 2009 5312.143 2010 5608.941 2011 6285.524 2012 6746.288 2013 7471.033 2014 8541.526 2015 9801.394 2016 11418.022 2017 11836.284 2018 12620.650 2019 13038.830 2020 14089.000 2021 15144.811 2022 15954.340 2023 16867.591 2024 19072.881 2025 20347.206 2026 21536.200 2027 22787.401 2028 24108.476 2029 25486.183