Year	National currency, Monthly Level
1960-01-01	2083.1488041970697
1961-01-01	4452.5392964805800
1962-01-01	5555.3393483020700
1963-01-01	6185.0512494717100
1964-01-01	4880.0575281588300
1965-01-01	5213.9792247598600
1966-01-01	6402.6327416875300
1967-01-01	6223.7460337095900
1968-01-01	6903.5838501641600
1969-01-01	7300.2704146863500
1970-01-01	10254.1845252435000
1971-01-01	17668.5004587097000
1972-01-01	22269.4858951499000
1973-01-01	29775.8968699218000
1974-01-01	52961.4208878257000
1975-01-01	68985.3232402390000
1976-01-01	83179.5978253331000
1977-01-01	104714.7936961140100
1978-01-01	112181.9185258180100
1979-01-01	176325.6368392580000
1980-01-01	609492.3592764960000
1981-01-01	1000361.9235296999000
1982-01-01	1441996.8822219700000
1983-01-01	2103491.9780530900000
1984-01-01	3978788.2952644000000
1985-01-01	5959579.0990488200000
1986-01-01	7531358.4137712200000
1987-01-01	12169580.8500416000000
1988-01-01	20250663.4411156000000
1989-01-01	33610419.3450045960000
1990-01-01	58222875.1988675000000
1991-01-01	87798735.8301460000000
1992-01-01	157762390.7940189800000
1993-01-01	324480865.1938850000000
1994-01-01	673316964.3939761000000
1995-01-01	1629191215.3413100000000
1996-01-01	3517727817.4038400000000
1997-01-01	7337208969.8427000000000
1998-01-01	11848797285.1973000000000
1999-01-01	16960153955.0176000000000
2000-01-01	34051887797.3355030000000
2001-01-01	50169748936.8296000000000
2002-01-01	77894331509.0625900000000
2003-01-01	103250740329.4160000000000
2004-01-01	139004211949.6089800000000
2005-01-01	157155067930.8350000000000
2006-01-01	200254266289.8289800000000
2007-01-01	221219081939.7060000000000
2008-01-01	259147925405.0320000000000
2009-01-01	217536512239.2710000000000
2010-01-01	277513012081.3030000000000
2011-01-01	403765452028.2990000000000
2012-01-01	426498876018.8690000000000
2013-01-01	478220299841.5080000000000
2014-01-01	530014814185.8910500000000
2015-01-01	561565046587.0039000000000
2016-01-01	599904936666.0630000000000
2017-01-01	852365016996.0550000000000