Year	National currency (Units)
1981	7148.148
1982	7470.072
1983	7688.690
1984	8040.279
1985	8183.966
1986	8794.482
1987	9382.952
1988	10152.904
1989	10170.082
1990	10759.869
1991	10944.116
1992	11165.355
1993	11405.820
1994	11408.752
1995	11753.483
1996	12117.416
1997	12381.192
1998	12847.375
1999	12891.886
2000	13192.400
2001	13183.023
2002	12819.171
2003	13643.286
2004	14069.467
2005	14171.833
2006	14842.578
2007	15796.828
2008	16933.674
2009	16747.453
2010	16884.039
2011	17030.712
2012	16970.164
2013	16757.300
2014	17359.768
2015	16708.155
2016	17158.099
2017	16428.777
2018	17002.057
2019	17262.117
2020	14172.277
2021	15073.572
2022	15845.681
2023	16511.877
2024	17183.739
2025	17825.923
2026	18319.040
2027	18760.674
2028	19211.673
2029	19574.902