Year	National currency (Units)
1990	22208.876
1991	18890.613
1992	19367.379
1993	18690.399
1994	17151.813
1995	18837.070
1996	20669.310
1997	21823.244
1998	22007.946
1999	21520.946
2000	21214.563
2001	21959.722
2002	22518.934
2003	23508.876
2004	24783.629
2005	25706.321
2006	26882.451
2007	27901.205
2008	28663.343
2009	29133.174
2010	30186.365
2011	31642.112
2012	32188.579
2013	32620.048
2014	32207.218
2015	30873.695
2016	28928.933
2017	29004.117
2018	30083.394
2019	30032.582
2020	24783.088
2021	23814.483
2022	24025.780
2023	24171.365
2024	24511.546
2025	24861.786
2026	25221.038
2027	25585.481
2028	25955.191
2029	26330.243