Year	National currency (Units)
1980	1681.795
1981	1762.379
1982	1810.602
1983	1811.398
1984	1979.914
1985	2012.246
1986	2213.716
1987	2210.207
1988	2392.095
1989	2591.557
1990	2901.387
1991	2968.267
1992	3320.043
1993	3607.471
1994	3793.450
1995	3909.569
1996	4176.101
1997	4187.035
1998	4510.222
1999	5196.879
2000	4841.862
2001	5086.994
2002	5386.738
2003	5825.628
2004	6233.438
2005	6662.762
2006	7013.181
2007	7094.136
2008	7258.747
2009	7210.597
2010	7695.103
2011	8600.740
2012	8989.110
2013	9718.226
2014	10611.318
2015	11321.182
2016	11852.285
2017	12504.367
2018	13087.675
2019	13134.078
2020	10670.486
2021	9835.575
2022	12024.034
2023	13484.530
2024	14386.407
2025	15256.751
2026	16174.532
2027	17106.596
2028	18073.382
2029	19049.747