Year	National currency (Units)
1980	3363.173
1981	3446.198
1982	3636.559
1983	3706.207
1984	3990.373
1985	4530.829
1986	5055.648
1987	5838.874
1988	6503.577
1989	7446.251
1990	7794.930
1991	8418.341
1992	8618.993
1993	8515.280
1994	8835.875
1995	9212.353
1996	9808.224
1997	10425.729
1998	11800.672
1999	12705.679
2000	13653.841
2001	13610.740
2002	14077.251
2003	15343.307
2004	15502.463
2005	17939.384
2006	17977.187
2007	19475.105
2008	21147.387
2009	19685.217
2010	19597.089
2011	19687.693
2012	20099.021
2013	21031.968
2014	22599.082
2015	24560.642
2016	25996.300
2017	27412.649
2018	28260.370
2019	29253.138
2020	25037.638
2021	26801.999
2022	29249.276
2023	31384.219
2024	33087.416
2025	34833.835
2026	36499.816
2027	38142.854
2028	39860.994
2029	41657.714