Year	National currency (Units)
2002	24240.972
2003	25307.035
2004	24519.477
2005	26491.217
2006	27072.434
2007	29547.735
2008	29927.645
2009	35172.942
2010	37083.165
2011	38282.435
2012	42225.016
2013	43169.344
2014	42944.602
2015	42110.882
2016	41880.715
2017	42265.573
2018	40196.701
2019	40990.732
2020	39127.076
2021	32685.541
2022	30140.846