Year	National Currency
1980-01-01	33564930260.8
1981-01-01	33054843322.0
1982-01-01	33686907572.3
1983-01-01	34785711452.1
1984-01-01	36218188803.7
1985-01-01	37821031160.7
1986-01-01	38047848475.2
1987-01-01	37773651543.8
1988-01-01	39852306223.3
1989-01-01	42220278987.0
1990-01-01	43348317100.0
1991-01-01	42852343238.0
1992-01-01	42056970520.8
1993-01-01	40442031240.2
1994-01-01	42041849366.9
1995-01-01	43555980952.0
1996-01-01	44548308391.0
1997-01-01	47363680283.0
1998-01-01	48408235482.0
1999-01-01	48858576733.0
2000-01-01	51227549091.0
2001-01-01	51228534520.0
2002-01-01	50808741581.0
2003-01-01	50314056005.0
2004-01-01	51859209358.0
2005-01-01	51941000000.0
2006-01-01	52630800603.0
2007-01-01	54152303648.0
2008-01-01	53828097365.0
2009-01-01	49751375800.0
2010-01-01	51693657213.0