Year National currency (Units) 1980 3615044.338 1981 3428880.034 1982 3086552.651 1983 3084752.127 1984 3237965.813 1985 3165710.860 1986 3243357.409 1987 3304327.781 1988 3327112.804 1989 3425771.329 1990 3463509.266 1991 3461208.310 1992 3697264.425 1993 3858440.670 1994 3916059.638 1995 3964492.403 1996 3911123.676 1997 4021634.784 1998 4205326.946 1999 4279031.830 2000 4476639.047 2001 4465105.012 2002 4538417.837 2003 4660231.720 2004 4789750.671 2005 4905287.850 2006 5186662.821 2007 5532922.963 2008 5711263.507 2009 5578728.724 2010 5768604.912 2011 5945878.446 2012 6155776.445 2013 6229208.969 2014 6369693.781 2015 6522949.668 2016 6716387.336 2017 6915180.148 2018 7017097.209 2019 7111601.888 2020 6737296.689 2021 7199468.016 2022 7456249.722 2023 7764925.494 2024 8000768.264 2025 8204539.502 2026 8397210.786 2027 8594096.935 2028 8795599.398 2029 9001826.411