Year	National currency (Units)
1990	11278.177
1991	11537.631
1992	12017.855
1993	12034.406
1994	12370.547
1995	12602.939
1996	12758.352
1997	13035.720
1998	13421.542
1999	13538.324
2000	13973.941
2001	14109.584
2002	14276.240
2003	14424.370
2004	14604.468
2005	15015.043
2006	15046.149
2007	15081.355
2008	15168.592
2009	15292.956
2010	15993.448
2011	13558.444
2012	13484.682
2013	13734.352
2014	13324.229
2015	9331.100
2016	8235.361
2017	7617.320
2018	7482.670
2019	7455.595
2020	6659.293
2021	6448.523
2022	6411.417
2023	6145.138
2024	5951.312
2025	5907.896
2026	6186.129
2027	6449.332
2028	6695.285
2029	6920.285