Year	National currency (Units)
1980	27192.563
1981	26582.517
1982	25204.183
1983	25262.828
1984	26103.063
1985	26314.820
1986	27569.403
1987	28190.130
1988	29073.408
1989	30011.972
1990	28919.480
1991	27695.779
1992	26026.566
1993	26144.534
1994	26573.892
1995	27014.958
1996	27982.630
1997	29198.924
1998	30177.485
1999	30166.394
2000	31401.711
2001	30563.412
2002	30715.223
2003	31292.221
2004	31635.636
2005	32779.791
2006	34508.227
2007	35126.178
2008	35222.139
2009	33296.134
2010	32406.515
2011	32070.095
2012	31814.328
2013	31262.714
2014	31126.679
2015	31794.840
2016	32495.981
2017	32191.322
2018	31893.132
2019	31918.173
2020	27790.037
2021	27352.664
2022	31048.565
2023	32332.678
2024	33444.143
2025	34293.581
2026	34993.559
2027	35603.109
2028	36223.277
2029	36854.248