Year	National currency (Units)
1993	6134.600
1994	6174.179
1995	6433.033
1996	6851.364
1997	7834.338
1998	8253.237
1999	8193.989
2000	8977.040
2001	9576.793
2002	10290.245
2003	11142.057
2004	11971.509
2005	13187.216
2006	14560.628
2007	15735.828
2008	14968.349
2009	12803.266
2010	13146.157
2011	14143.864
2012	14652.806
2013	14919.509
2014	15399.783
2015	15684.400
2016	16174.616
2017	17090.750
2018	17675.882
2019	18320.670
2020	18107.989
2021	19400.127
2022	19054.306
2023	18250.993
2024	18164.846
2025	18579.916
2026	18974.097
2027	19364.383
2028	19784.033
2029	20223.323
