Year	National currency, Monthly Level
1980-01-01	357186644.43230605
1981-01-01	489317215.49989897
1982-01-01	1131533034.14428000
1983-01-01	3465814269.53527000
1984-01-01	4622243999.81135000
1985-01-01	7109828933.44323000
1986-01-01	10442140051.18950000
1987-01-01	29237493676.32870000
1988-01-01	46852883317.27560000
1989-01-01	57193993162.83909600
1990-01-01	76390227954.74110000
1991-01-01	128653255443.57199000
1992-01-01	142760701888.44098000
1993-01-01	161326809811.99500000
1994-01-01	206805649760.03500000
1995-01-01	511929204001.17900000
1996-01-01	726468094056.25100000
1997-01-01	873662339206.90000000
1998-01-01	1075552826817.74000000
1999-01-01	1297453820618.54000000
2000-01-01	1569909855536.56980000
2001-01-01	1485702177388.22000000
2002-01-01	1552464894649.26000000
2003-01-01	1780670191706.55000000
2004-01-01	2114144370867.60000000
2005-01-01	2331494842488.28000000
2006-01-01	2726452618093.84030000
2007-01-01	2967736640770.40970000
2008-01-01	3203021211257.09000000
2009-01-01	3091600018175.36040000
2010-01-01	3760301281023.13960000
2011-01-01	4352094749618.01000000
2012-01-01	4868883630580.93000000
2013-01-01	4840195120669.84100000
2014-01-01	5270575382904.87000000
2015-01-01	6039733314581.69000000
2016-01-01	6968368791908.03000000
2017-01-01	7729339486335.89000000