Year	National currency (Units)
1980	2193012.582
1981	2334716.896
1982	2436563.591
1983	2530752.838
1984	2662758.486
1985	2817842.102
1986	2941872.320
1987	3058856.517
1988	3268661.485
1989	3486966.611
1990	3737057.818
1991	3965356.883
1992	4053831.804
1993	4043443.222
1994	4083529.195
1995	4158395.998
1996	4260257.972
1997	4313477.867
1998	4246165.901
1999	4171596.609
2000	4221494.688
2001	4181893.670
2002	4116776.513
2003	4105230.499
2004	4144543.920
2005	4168354.311
2006	4189322.191
2007	4221138.107
2008	4133559.049
2009	3880330.353
2010	3962014.510
2011	3891463.327
2012	3923698.420
2013	3995054.421
2014	4081286.506
2015	4237226.280
2016	4287683.071
2017	4363632.777
2018	4400400.278
2019	4420120.305
2020	4289340.975
2021	4402716.438
2022	4471549.140
2023	4749433.499
2024	4921009.979
2025	5112362.776
2026	5291022.547
2027	5458193.541
2028	5630749.766
2029	5799899.977
