Year National currency (Billions) 1980 466.150 1981 471.073 1982 457.896 1983 451.029 1984 451.935 1985 455.354 1986 456.597 1987 454.623 1988 457.164 1989 451.994 1990 450.007 1991 455.685 1992 445.427 1993 423.505 1994 374.367 1995 411.398 1996 428.442 1997 440.030 1998 449.631 1999 461.817 2000 465.835 2001 464.238 2002 469.121 2003 485.450 2004 479.053 2005 493.770 2006 502.504 2007 526.154 2008 540.139 2009 571.956 2010 539.631 2011 567.143 2012 569.992 2013 594.643 2014 604.887 2015 620.387 2016 631.631 2017 647.487 2018 658.286 2019 647.196 2020 625.558 2021 614.309 2022 603.976 2023 592.719 2024 574.937 2025 583.561 2026 592.315 2027 601.200 2028 610.218 2029 619.371