Year National currency (Units) 1980 2341283.427 1981 2423319.402 1982 2485302.663 1983 2557824.000 1984 2653309.103 1985 2772885.303 1986 2849009.330 1987 2967161.533 1988 3151460.141 1989 3293789.841 1990 3441765.631 1991 3548942.299 1992 3568276.150 1993 3540423.861 1994 3568856.984 1995 3653411.195 1996 3759665.211 1997 3787525.023 1998 3729415.691 1999 3709963.108 2000 3805186.678 2001 3810833.856 2002 3804413.123 2003 3855731.964 2004 3936937.382 2005 4007404.972 2006 4062582.659 2007 4122509.783 2008 4074113.820 2009 3846435.564 2010 4002685.595 2011 3996231.478 2012 4060033.673 2013 4148569.723 2014 4167831.843 2015 4237610.600 2016 4270141.337 2017 4349012.987 2018 4385668.510 2019 4377532.220 2020 4208393.011 2021 4327855.230 2022 4380995.696 2023 4484950.098 2024 4544490.157 2025 4612951.754 2026 4673876.061 2027 4727010.278 2028 4780815.873 2029 4830031.163