Year National currency (Units) 1990 3273904.477 1991 3180466.547 1992 3097996.287 1993 3071127.979 1994 3033341.485 1995 3044388.238 1996 3079020.247 1997 3159817.937 1998 3212719.581 1999 3279469.687 2000 3305742.936 2001 3369193.834 2002 3484290.148 2003 3466919.886 2004 3481837.112 2005 3512532.215 2006 3518433.532 2007 3655033.405 2008 3707629.070 2009 3554622.718 2010 3608254.958 2011 3713343.959 2012 3833413.849 2013 3884954.411 2014 3928614.933 2015 3979434.794 2016 4302472.554 2017 4629880.242 2018 4804166.638 2019 4950256.165 2020 5056722.463 2021 5208803.646 2022 5283607.159 2023 5448542.926 2024 5532191.586 2025 5699504.420 2026 5880411.550 2027 6056681.393 2028 6242367.197 2029 6433612.225