Year	National currency (Units)
1980	3454889.603
1981	3909726.522
1982	4001893.380
1983	4018405.574
1984	4164094.728
1985	4422092.566
1986	4508580.385
1987	4341692.377
1988	4131852.917
1989	4414050.963
1990	4537755.999
1991	4583762.810
1992	4765144.702
1993	4905080.538
1994	5165448.219
1995	5392771.700
1996	5631386.581
1997	5890255.033
1998	6029484.451
1999	6162957.651
2000	6449496.174
2001	6648497.551
2002	6991729.076
2003	7315499.419
2004	7733717.861
2005	8150596.157
2006	8740551.335
2007	9278956.471
2008	9850678.496
2009	10417260.603
2010	11086180.463
2011	11798223.292
2012	12538382.304
2013	13356091.294
2014	14177909.362
2015	14993556.497
2016	15804533.704
2017	16630185.572
2018	17409643.982
2019	17949111.774
2020	17608943.830
2021	17716193.049
2022	17989411.000
2023	18396070.231
2024	18868401.530
2025	19360611.073
2026	19891538.591
2027	20476053.065
2028	21126108.430
2029	21838524.515