Year National currency (Units) 1980 4003875.215 1981 4131335.501 1982 4168449.914 1983 4020681.264 1984 4136147.976 1985 4233457.867 1986 4469249.758 1987 4812369.358 1988 4741937.951 1989 4671951.332 1990 4691832.646 1991 4643257.975 1992 4419904.623 1993 4432578.509 1994 4546138.471 1995 4518814.284 1996 4707916.912 1997 4944285.111 1998 5259463.766 1999 5405027.710 2000 5606613.892 2001 5742893.341 2002 5710257.350 2003 5794273.948 2004 6201242.386 2005 6513633.561 2006 6779293.143 2007 7166524.741 2008 7144059.925 2009 6515815.611 2010 6365875.390 2011 6466644.895 2012 6512458.734 2013 6760660.790 2014 6794212.564 2015 7021722.881 2016 7387376.740 2017 7564866.454 2018 7704712.297 2019 7660347.180 2020 6988844.766 2021 7255865.095 2022 7743722.226 2023 7819209.404 2024 7827546.374 2025 7854855.193 2026 7896418.345 2027 7948949.430 2028 8019993.985 2029 8088147.258