Year	National currency (Units)
1980	23740.088
1981	23300.477
1982	21917.894
1983	20831.844
1984	20415.041
1985	19784.828
1986	19309.652
1987	19502.954
1988	19761.842
1989	20040.407
1990	20167.007
1991	20291.331
1992	20732.230
1993	20940.713
1994	21175.910
1995	21605.996
1996	21714.055
1997	22104.061
1998	22610.262
1999	22924.448
2000	22966.052
2001	23134.354
2002	23463.911
2003	23503.268
2004	23679.232
2005	23896.440
2006	24609.615
2007	25589.956
2008	25855.110
2009	25416.190
2010	25587.717
2011	26085.520
2012	26295.117
2013	26698.384
2014	27311.480
2015	27853.291
2016	28028.902
2017	28325.239
2018	28724.955
2019	29312.117
2020	28250.065
2021	29912.287
2022	30537.408
2023	30986.273
2024	31452.245
2025	31988.476
2026	32537.273
2027	33110.213
2028	33722.676
2029	34347.768