Year National currency (Billions) 1992 20.189 1993 20.754 1994 21.854 1995 22.750 1996 23.479 1997 24.664 1998 25.473 1999 26.831 2000 27.817 2001 28.712 2002 29.718 2003 30.598 2004 31.932 2005 33.144 2006 35.049 2007 37.495 2008 38.811 2009 35.882 2010 36.364 2011 36.677 2012 35.709 2013 35.342 2014 36.320 2015 37.123 2016 38.307 2017 40.152 2018 41.941 2019 43.418 2020 41.577 2021 44.998 2022 46.105 2023 46.837 2024 47.778 2025 48.973 2026 50.295 2027 51.653 2028 53.048 2029 54.480