Year National currency (Units) 1992 7400882.624 1993 7067602.243 1994 6570820.449 1995 6394792.647 1996 6379593.845 1997 6504202.894 1998 6681975.582 1999 6869508.245 2000 7158299.872 2001 7361131.514 2002 7563310.429 2003 7784239.081 2004 8269376.913 2005 8741495.339 2006 9293039.221 2007 10041885.390 2008 10780533.454 2009 11458549.658 2010 12066313.925 2011 12474475.853 2012 13165183.755 2013 13919459.723 2014 14632671.687 2015 15421086.578 2016 16049890.480 2017 16470929.293 2018 17153035.294 2019 17851717.069 2020 17859057.018 2021 18818405.678 2022 19484403.274 2023 20219314.581 2024 20853243.625 2025 21547927.620 2026 22285641.949 2027 23051431.806 2028 23842170.859 2029 24660524.878