Year	National currency (Units)
1980	425328.510
1981	437641.026
1982	444579.070
1983	447806.302
1984	461869.057
1985	460474.258
1986	455864.734
1987	451306.740
1988	459475.412
1989	441210.199
1990	460663.078
1991	446626.760
1992	469363.252
1993	471112.656
1994	442804.238
1995	457980.618
1996	446076.310
1997	455997.867
1998	446550.595
1999	449146.244
2000	435526.840
2001	449660.299
2002	460604.816
2003	459887.758
2004	462818.453
2005	477508.542
2006	457198.556
2007	449332.908
2008	455305.258
2009	458033.834
2010	463074.233
2011	469733.726
2012	471958.999
2013	480109.976
2014	477290.885
2015	469975.445
2016	472685.766
2017	477689.688
2018	481970.734
2019	477526.126
2020	464112.021
2021	460998.305
2022	456121.552
2023	453024.325
2024	452110.489
2025	453100.675
2026	455361.988
2027	458269.343
2028	460387.593
2029	460260.280