Year National Currency 1988-01-01 19487000000.000000 1989-01-01 20355000000.000000 1990-01-01 20264000000.000000 1991-01-01 16962000000.000000 1992-01-01 17061000000.000000 1993-01-01 19502000000.000000 1994-01-01 22303000000.000000 1995-01-01 25015000000.000000 1996-01-01 26675000000.000000 1997-01-01 28176000000.000000 1998-01-01 26249000000.000000 1999-01-01 28719000000.000000 2000-01-01 30102000000.000000 2001-01-01 29934000000.000000 2002-01-01 33508000000.000004 2003-01-01 37061000000.000000 2004-01-01 42120000000.000000 2005-01-01 43696000000.000000 2006-01-01 43167000000.000000 2007-01-01 46499000000.000000 2008-01-01 45099000000.000000 2009-01-01 39382000000.000000 2010-01-01 39666000000.000000 2011-01-01 42219000000.000000 2012-01-01 44776000000.000000 2013-01-01 48330000000.000000 2014-01-01 52921000000.000000 2015-01-01 55177000000.000000 2016-01-01 58704000000.000000 2017-01-01 60707000000.000000