Year	National currency (Units)
1992	750.937
1993	873.707
1994	1203.912
1995	1384.653
1996	1676.945
1997	1885.284
1998	2090.188
1999	2238.585
2000	2295.640
2001	2772.651
2002	3175.459
2003	3593.446
2004	4350.650
2005	4621.089
2006	4938.748
2007	5232.633
2008	4631.538
2009	6389.872
2010	7709.401
2011	9878.469
2012	10667.231
2013	9175.099
2014	12093.053
2015	9259.019
2016	9880.514
2017	8409.698
2018	8756.241
2019	8543.464