Year	National currency (Units)
1990	39292.108
1991	39697.788
1992	41811.895
1993	39809.980
1994	39800.125
1995	40271.706
1996	40318.509
1997	40707.891
1998	40746.918
1999	40836.408
2000	41733.396
2001	42687.850
2002	44802.032
2003	45600.616
2004	47817.332
2005	49179.112
2006	50222.035
2007	52008.837
2008	52598.003
2009	51974.067
2010	54298.434
2011	56219.656
2012	57986.656
2013	60108.946
2014	62579.733
2015	64023.162
2016	62841.486
2017	61031.217
2018	60530.843
2019	58917.289
2020	53159.167
2021	54046.059
2022	55513.497
2023	56253.761
2024	56725.445
2025	57197.093
2026	57637.213
2027	58089.723
2028	58577.679
2029	59060.419