Year	National currency (Units)
1980	3841.486
1981	4159.084
1982	4219.359
1983	4180.240
1984	4197.452
1985	3828.570
1986	2893.622
1987	3026.561
1988	3610.649
1989	3635.184
1990	3827.542
1991	3854.889
1992	3961.845
1993	4245.142
1994	4428.179
1995	4565.802
1996	4624.292
1997	4670.715
1998	4348.805
1999	4591.043
2000	5344.682
2001	5224.273
2002	5076.583
2003	5446.759
2004	6002.456
2005	6755.300
2006	7244.605
2007	7861.535
2008	8736.757
2009	7318.950
2010	7831.222
2011	9054.242
2012	9563.353
2013	9762.957
2014	9549.766
2015	8519.925
2016	8513.120
2017	8885.476
2018	9456.201
2019	9795.290
2020	8842.368
2021	9819.791
2022	10821.990
2023	10626.582
2024	10857.547
2025	11030.826
2026	11203.183
2027	11413.347
2028	11647.556
2029	11909.477