Year	National currency (Units)
1980	3857.293
1981	4622.832
1982	5426.402
1983	5940.104
1984	6531.899
1985	7073.418
1986	7533.323
1987	8037.650
1988	8624.597
1989	9624.984
1990	10446.735
1991	10808.328
1992	11418.686
1993	12230.877
1994	13102.876
1995	15111.885
1996	16485.206
1997	18795.603
1998	21554.892
1999	24588.279
2000	28337.852
2001	31396.001
2002	34375.482
2003	36201.747
2004	38114.275
2005	40550.592
2006	42797.101
2007	44337.103
2008	41472.921
2009	37281.888
2010	36645.045
2011	37478.433
2012	38051.216
2013	38718.030
2014	41879.972
2015	55899.405
2016	56530.123
2017	61865.525
2018	67019.323
2019	71998.004
2020	75158.378
2021	86154.060
2022	98010.109
2023	96407.133
2024	98350.297
2025	101684.101
2026	105113.050
2027	108683.624
2028	112417.870
2029	116394.159
