Year National currency (Units) 1980 7122487.021 1981 7381443.983 1982 7828769.887 1983 8227970.202 1984 8751389.538 1985 9066700.503 1986 9184949.694 1987 9210422.149 1988 9497222.991 1989 10036650.437 1990 10115515.971 1991 10508027.238 1992 11220685.779 1993 11919117.324 1994 12755886.157 1995 13745591.655 1996 14790874.042 1997 15748968.202 1998 16403142.631 1999 16930286.806 2000 17837511.494 2001 18812854.039 2002 19881679.685 2003 21142278.636 2004 22580310.098 2005 24061497.037 2006 25501742.285 2007 27063368.608 2008 28322480.447 2009 29560352.300 2010 31146029.435 2011 33183936.545 2012 34636484.140 2013 36172998.137 2014 38084801.344 2015 40308501.715 2016 42549645.876 2017 45028319.798 2018 47881387.155 2019 50436503.441 2020 51298474.022 2021 52114375.094 2022 55806575.922 2023 58132850.925 2024 61226083.655 2025 64691559.196 2026 68378810.558 2027 72297134.968 2028 76457239.225 2029 80856723.196