Year	National currency (Units)
1980	9769377.787
1981	10308512.751
1982	10335784.111
1983	10560416.200
1984	11140083.185
1985	11350803.353
1986	11930929.635
1987	12468578.014
1988	13080213.501
1989	13991927.489
1990	14955868.901
1991	16025411.261
1992	16792215.154
1993	17832439.578
1994	18864152.369
1995	20081774.310
1996	21404546.556
1997	22154654.339
1998	19026711.577
1999	18958277.253
2000	19674901.551
2001	20105032.765
2002	20714247.512
2003	21399289.768
2004	22159839.047
2005	23091989.560
2006	24019723.239
2007	25184621.924
2008	26678344.400
2009	27539951.066
2010	28884425.178
2011	30115352.780
2012	31484474.292
2013	32780966.497
2014	33965353.610
2015	35144531.881
2016	36498031.501
2017	37928905.648
2018	39467704.239
2019	41021608.254
2020	39684840.320
2021	40845256.080
2022	42604548.658
2023	44340147.726
2024	46120166.326
2025	48024574.376
2026	50020315.407
2027	52111778.557
2028	54311832.820
2029	56620576.149