Year National currency (Units) 1980 299510.778 1981 261447.438 1982 269354.999 1983 304173.676 1984 312073.345 1985 327607.742 1986 337105.829 1987 338712.461 1988 352746.149 1989 348152.182 1990 347893.071 1991 371990.510 1992 368925.368 1993 349870.468 1994 357273.988 1995 342919.487 1996 338543.638 1997 345645.503 1998 356991.334 1999 342073.565 2000 326804.588 2001 351347.508 2002 366761.922 2003 404835.008 2004 520925.469 2005 543978.323 2006 534046.315 2007 536283.444 2008 539733.375 2009 537325.656 2010 574076.597 2011 562194.250 2012 581283.811 2013 593843.798 2014 609719.665 2015 598576.476 2016 543322.315 2017 516162.416 2018 530207.665 2019 548492.623 2020 521564.754 2021 501858.519 2022 502466.090 2023 509584.264 2024 509748.044 2025 513828.635 2026 513813.119 2027 513185.549 2028 513099.566 2029 512937.327