Year	National currency (Units)
1980	1455.666
1981	1459.194
1982	1402.647
1983	1396.715
1984	1485.137
1985	1501.252
1986	1607.746
1987	1669.508
1988	1759.307
1989	1825.989
1990	1876.010
1991	1906.823
1992	1980.350
1993	2057.662
1994	2127.956
1995	2207.626
1996	2240.593
1997	2330.339
1998	2460.761
1999	2546.255
2000	2609.927
2001	2850.915
2002	2909.040
2003	2975.279
2004	3033.778
2005	2977.786
2006	2948.270
2007	2931.117
2008	2893.988
2009	2853.003
2010	2855.630
2011	2878.489
2012	2914.387
2013	2938.928
2014	2951.748
2015	2971.807
2016	2988.356
2017	3000.000
2018	2958.750
2019	3008.438
2020	2919.594
2021	2894.375
2022	2987.188
2023	2981.183
2024	2990.172
2025	3005.198
2026	3029.360
2027	3096.341
2028	3136.796
2029	3177.779